Ausgabe 9/2022
Inhalt (87 Artikel)
The learning curve of laparoscopic, robot-assisted and transanal total mesorectal excisions: a systematic review
Thijs A. Burghgraef, Daan J. Sikkenk, Paul M. Verheijen, Mostafa El Moumni, Roel Hompes, Esther C. J. Consten
Challenges of single-stage pancreatoduodenectomy: how to address pancreatogastrostomies with robotic-assisted surgery
Lea Timmermann, Karl Herbert Hillebrandt, Matthäus Felsenstein, Moritz Schmelzle, Johann Pratschke, Thomas Malinka
Merged virtual reality teaching of the fundamentals of laparoscopic surgery: a randomized controlled trial
Bryce Lowry, Garrett G. R. J. Johnson, Ashley Vergis
Contextual interference for skills development and transfer in laparoscopic surgery: a randomized controlled trial
Garrett G. R. J. Johnson, Jason Park, Ashley Vergis, Lawrence M. Gillman, Justin D. Rivard
The impact of sarcopenia on adverse events associated with gastric endoscopic submucosal dissection
Hiroyuki Hisada, Naoki Tamura, Yosuke Tsuji, Sayaka Nagao, Kazushi Fukagawa, Yuko Miura, Hiroya Mizutani, Daisuke Ohki, Seiichi Yakabi, Chihiro Minatsuki, Yu Takahashi, Yoshiki Sakaguchi, Nobutake Yamamichi, Mitsuhiro Fujishiro
Ursodeoxycholic acid for the prevention of gall stones after laparoscopic sleeve gastrectomy: a prospective controlled study
Mohamed AbdAlla Salman, Ahmed Salman, Usama Shaker Mohamed, Ahmed Mahmoud Hussein, Mahmoud A. Ameen, Haitham S. E. Omar, Ahmed Elewa, Ahmed Hamdy, Abd Al-Kareem Elias, Mohamed Tourky, Alaa Helal, Ahmed Abdelrahman Mahmoud, Feras Aljarad, Ahmed Moustafa, Hossam El-Din Shaaban, Ahmed Nashaat, Amr Mahmoud Hussein, Tamer Omar, Hany Balamoun
Elective laparoscopic cholecystectomy: recurrent biliary admissions predispose to difficult cholecystectomy
James Lucocq, John Scollay, Pradeep Patil
Risk of post-polypectomy bleeding after endoscopic mucosal resection in patients receiving antiplatelet medication: comparison between the continue and hold groups
Sang Hyun Park, Soo-Kyung Park, Hyo-Joon Yang, Yoon Suk Jung, Jung Ho Park, Chong Il Sohn, Dong Il Park
Global trends of indocyanine green fluorescence navigation in laparoscopic cholecystectomy: bibliometrics and knowledge atlas analysis
Dankun Luo, Wenping Liang, Biao Ma, Dongbo Xue
Impact of aspirin discontinuation on thrombotic complications in laparoscopic colorectal cancer surgery
Takashi Harino, Shingo Noura, Atsushi Hamabe, Takayuki Ogino, Hiroshi Takeyama, Yozo Suzuki, Tsukasa Tanida, Naohiro Tomita, Keizo Dono
An innovative endoscopic management strategy for postoperative fistula after laparoscopic sleeve gastrectomy
Haiming Fang, Tingting Yao, Yating Chen, Yan Lu, Kangwei Xiong, Yuan Su, Yujue Zhang, Yong Wang, Lijiu Zhang
Development and validation of a deep learning-based algorithm for colonoscopy quality assessment
Yuan-Yen Chang, Pai-Chi Li, Ruey-Feng Chang, Yu-Yao Chang, Siou-Ping Huang, Yang-Yuan Chen, Wen-Yen Chang, Hsu-Heng Yen
Indocyanine green fluorescence imaging improves the assessment of blood supply of interposition jejunum
Zhaoxian Lin, Shihui Sun, Yangming Chen, Jianyuan Huang, Yangyun Huang, Jiguang Zhang, Debin Ou, Xing Lin
Dorsal vs ventral approach to the middle hepatic vein during laparoscopic left hemihepatectomy: multicenter retrospective observational study
Masaki Ueno, Hiroya Iida, Koji Komeda, Hisashi Kosaka, Fumitoshi Hirokawa, Shinya Hayami, Haruki Mori, Masaki Kaibori, Hiroki Yamaue
Ensemble deep learning for the prediction of proficiency at a virtual simulator for robot-assisted surgery
Andrea Moglia, Luca Morelli, Roberto D’Ischia, Lorenzo Maria Fatucchi, Valentina Pucci, Raffaella Berchiolli, Mauro Ferrari, Alfred Cuschieri
The assessment of the ASGE-grading system of ERCP: a large-sample retrospective study
Feng Zhou, Xiaoyun Zhan, Conghua Song, Guohua Li, Junbo Hong, Youxiang Chen, Xiaojiang Zhou
Correction to: The assessment of the ASGE‑grading system of ERCP: a large‑sample retrospective study
Feng Zhou, Xiaoyun Zhan, Conghua Song, Guohua Li, Junbo Hong, Youxiang Chen, Xiaojiang Zhou
Mid-term oncological outcomes after complete versus conventional mesocolic excision for right-sided colon cancer: a propensity score matching analysis
Alessandro Giani, Camillo Leonardo Bertoglio, Michele Mazzola, Irene Giusti, Pietro Achilli, Pietro Carnevali, Matteo Origi, Carmelo Magistro, Giovanni Ferrari
Scheduled second look endoscopy after endoscopic hemostasis to patients with high risk bleeding peptic ulcers: a Randomized Controlled Trial
Rapat Pittayanon, Bing-Yee Suen, Natanong Kongtub, Yee-kit Tse, Rungsun Rerknimitr, James Y. W. Lau
Predicting surgical outcome in posterior retroperitoneoscopic adrenalectomy with the aid of a preoperative nomogram
Allon van Uitert, Elle C. J. van de Wiel, Jordache Ramjith, Jaap Deinum, Henri J. L. M. Timmers, J. Alfred Witjes, Leo J. Schultze Kool, Johan F. Langenhuijsen
Efficacy and safety of remifentanil for endoscopic ultrasound-guided tissue acquisition: a single center retrospective study
Yueh-Juh Lin, Yi-Chia Wang, Hui-Hsun Huang, Chi-Hsiang Huang, Pei-Lin Lin
Optimizing cecal views during colonoscopy using patient position change
Maria MacDonald, Alison Greene, Mark Borgaonkar, Nicholas A. Fairbridge, Jerry McGrath, Chris Smith, Chantae Garland, Lisa Bacque, David Pace
Underwater versus conventional cold snare polypectomy of colorectal polyps 4–9 mm in diameter: a prospective randomized controlled trial
Yu Sik Myung, Hyuki Kwon, Jaeho Han, Jongreul Lim, Soo Yong Choi, Myong Ki Baeg, Sok Won Han
Assessment of postoperative common bile duct stones after endoscopic extraction and subsequent cholecystectomy
Ryo Sugiura, Hideaki Nakamura, Shoichi Horita, Takashi Meguro, Kiyotaka Sasaki, Hidetoshi Kagaya, Tatsuya Yoshida, Hironori Aoki, Takayuki Morita, Miyoshi Fujita, Eiji Tamoto, Masayuki Fukushima, Yoshitomo Ashitate, Takashi Ueno, Akio Tsutaho, Masaki Kuwatani, Naoya Sakamoto
Comparison of procedural outcomes between morning and afternoon colonoscopies performed by colorectal surgeons
Shrey Modi, Omar Picado, Caroline Fiser, Maya Lubarsky, Bhuwan Giri, Vanessa Hui, Luanne Force, Floriano Marchetti, Laurence R. Sands, Nivedh V. Paluvoi
The impact of an open or laparoscopic approach on the development of metachronous peritoneal metastases after primary resection of colorectal cancer: results from a population-based cohort study
Robin J. Lurvink, Anouk Rijken, Checca Bakkers, Valery E. Lemmens, Philip R. de Reuver, Jurriaan B. Tuynman, Niels F. Kok, Simon W. Nienhuijs, Felice N. van Erning, Ignace H. J. T. de Hingh
Prospective, randomized clinical trial of laparoscopic totally extraperitoneal inguinal hernia repair using conventional versus custom-made (mosquito) mesh performed in Cameroon: a short-term outcomes
B. Essola, J. Himpens, J. Engbang Ndamba, A. Limgba, D. Djomo, J. Landenne, E. Ngaroua, P. M. Hermans, E. T. Mboudou, P. Lingier, J. Souopgui, P. Loi
Adenoma and serrated lesion detection with distal attachment in screening colonoscopy: a randomized controlled trial
Claudia Jaensch, Mogens Harrits Jepsen, David Høyrup Christiansen, Anders Husted Madsen, Mogens Rørbæk Madsen
Clinical outcome of the delineation-without-negative-biopsy strategy in magnifying image-enhanced endoscopy for identifying the extent of differentiated-type early gastric cancer
Yoshiyasu Kitagawa, Asuka Ishigaki, Rino Nishii, Osamu Sugita, Taro Hara, Takuto Suzuki
Inter-rater and intra-rater reliability of the current assessment model and tools for laparoscopic suturing
Chin-Hung Wei, Shih-Chiang Shen, Yih-Cherng Duh, Kuei‐Yen Tsai, Hsin-An Chen, Shih-Wei Huang
Disparities in industry funding among Colorectal Surgeons: a cross-sectional study
Alessandra Storino, Carolina Vigna, John C. Polanco-Santana, Ernest Park, Kristen Crowell, Anne Fabrizio, Thomas E. Cataldo, Evangelos Messaris
Endoscopic submucosal dissection for proximal duodenal subepithelial lesions: a retrospective cohort study
Yan-rong Zhang, Chang Sun, Chun-li Cheng, Jie Gao, Jing Zhang, Jie Chen, Luo-wei Wang, Ying Chen, Xiao-hua Man, Xin-Gang Shi, Wei An
Incidence and trends of decision regret following elective hernia repair
Ryan Howard, Anne Ehlers, Lia Delaney, Quintin Solano, Brian Fry, Michael Englesbe, Justin Dimick, Dana Telem
Early discharge after colorectal cancer resection: trends and impact on patient outcomes
Jeongyoon Moon, Allison Pang, Gabriela Ghitulescu, Julio Faria, Nancy Morin, Carol-Ann Vasilevsky, Marylise Boutros
Colorectal cancer in the 45-to-50 age group in the United States: a National Cancer Database (NCDB) analysis
Thais Reif de Paula, Eric M. Haas, Deborah S. Keller
Robotic surgery training curricula: prevalence, perceptions, and educational experiences in general surgery residency programs
Matthew P. Madion, Andrew Kastenmeier, Matthew I. Goldblatt, Rana M. Higgins
Safer operating room teams: rationale for the fundamental use of surgical energy (FUSE) hospital compliance module
Jaisa Olasky, Edward L. Jones, Daniel B. Jones, Thomas N. Robinson
Survey of the 2020 Fellowship Council application and match process and the impact of COVID-19
Amy L. Rosenbluth, Madhuri B. Nagaraj, L. Michael Brunt, Daniel J. Scott
Subjective vs. objective assessment of simulation performance on laparoscopic cholecystectomy: are we evaluating the right things?
Yohei Kojima, Harry J. Wong, Kristine Kuchta, John G. Linn, Stephen P. Haggerty, Woody Denham, Michael B. Ujiki
Assessment of muscle activity and fatigue during laparoscopic surgery
Tegan Thurston, James P. Dolan, Farah Husain, Andrea Stroud, Kenneth Funk, Charlie Borzy, Xinhui Zhu
The evolution of the general surgery resident operative case experience in the era of robotic surgery
Nnenna S. Nwaelugo, Matthew I. Goldblatt, Jon C. Gould, Rana M. Higgins
Consensus priority research questions in gastrointestinal and endoscopic surgery in the year 2020: results of a SAGES Delphi study
Richard Garfinkle, Rebecca P. Petersen, Chris DuCoin, Maria S. Altieri, Rajesh Aggarwal, Aurora Pryor, Boris Zevin
Patient and surgeon factors contributing to bailout cholecystectomies: a single-institutional retrospective analysis
Miya C. Yoshida, Takuya Ogami, Kaylee Ho, Eileen X. Bui, Shahenda Khedr, Chun-Cheng Chen
Development of a formative feedback tool for transanal total mesorectal excision
Alen Antoun, Faisal Al Rashid, Noura Alhassan, Carlos Gomez-Garibello, Julio F. Fiore Jr, Liane S. Feldman, Lawrence Lee, Carmen L. Mueller
The impact of the first wave of the COVID-19 pandemic on the exposure of general surgery trainees to operative procedures
Saba Balvardi, Mohsen Alhashemi, Josie Cipolla, Lawrence Lee, Julio F. Fiore Jr., Liane S. Feldman
A comparative analysis of video-based surgical assessment: is evaluation of the entire critical portion of the operation necessary?
Caleb W. Barnhill, Stephen J. Kaplan, Adnan A. Alseidi, Shanley B. Deal
Propensity score matched comparison of robotic and open major hepatectomy for malignant liver tumors
Iswanto Sucandy, Emanuel Shapera, Cameron C. Syblis, Kaitlyn Crespo, Valerie A. Przetocki, Sharona B. Ross, Alexander S. Rosemurgy
Questioning the legitimacy of bariatric surgery: a qualitative analysis of individuals from the community who qualify for bariatric surgery
Grace F. Chao, Adrian Diaz, Amir A. Ghaferi, Justin B. Dimick, Mary E. Byrnes
A steady stream of knowledge: decreased urinary retention after implementation of ERAS protocols in ambulatory minimally invasive inguinal hernia repair
Ryan C. Broderick, Jonathan Z. Li, Rachel R. Blitzer, Pranav Ahuja, Alice Race, Gene Yang, Bryan J. Sandler, Santiago Horgan, Garth R. Jacobsen
Impact of the Covid-19 pandemic on rates of emergency department utilization and hospital admission due to general surgery conditions
Saba Balvardi, Josie Cipolla, Nawar Touma, Tharaniya Vallipuram, Natasha Barone, Reginold Sivarajan, Pepa Kaneva, Sebastian Demyttenaere, Marylise Boutros, Lawrence Lee, Liane S. Feldman, Julio F. Fiore Jr
Variation in approach for small (< 2 cm) ventral hernias across a statewide quality improvement collaborative
Anne P. Ehlers, Ryan Howard, Lia D. Delaney, Quintin Solano, Dana A. Telem
Transfer of virtual reality endoscopy training to live animal colonoscopy: a randomized control trial of proficiency vs. repetition-based training
Douglas J. Cassidy, Taylor M. Coe, Kristen M. Jogerst, Sophia K. McKinley, Naomi M. Sell, Michael Sampson, Yoon Soo Park, Emil Petrusa, Robert N. Goldstone, Daniel A. Hashimoto, Denise W. Gee
There is no correlation between a delayed gastric conduit emptying and the occurrence of an anastomotic leakage after Ivor-Lewis esophagectomy
Benjamin Babic, Lars Mortimer Schiffmann, Hans Friedrich Fuchs, Dolores Thea Mueller, Thomas Schmidt, Christoph Mallmann, Laura Mielke, Antonia Frebel, Petra Schiller, Marc Bludau, Seung-Hun Chon, Wolfgang Schroeder, Christiane Josephine Bruns
Outcomes from laparoscopic versus robotic mesh removal after inguinal hernia repair
Desmond Huynh, Xiaoxi Feng, Negin Fadaee, Nicholas Gonsalves, Shirin Towfigh
Is New York State good at managing hollow viscus injury?
Iman Simmonds, Lorin M. Towle-Miller, Ajay A. Myneni, Justin Gray, Jeffrey M. Jordan, Steven D. Schwaitzberg, Aaron B. Hoffman, Katia Noyes
Impedance planimetry (EndoFLIP™) reveals changes in gastroesophageal junction compliance during fundoplication
Hoover Wu, Mikhail Attaar, Harry J. Wong, Michelle Campbell, Kristine Kuchta, Woody Denham, John Linn, Michael B. Ujiki
Risks of therapeutic versus prophylactic neurectomies
Xiaoxi Feng, Negin Fadaee, Desmond Huynh, Isabel Capati, Shirin Towfigh
Impact of hiatal hernia repair technique on patient-reported gastroesophageal reflux symptoms following laparoscopic sleeve gastrectomy
Anne P. Ehlers, Aaron J. Bonham, Amir A. Ghaferi, Jonathan F. Finks, Arthur M. Carlin, Oliver A. Varban
Multicenter analysis of laparoscopic versus open umbilical hernia repair with mesh: outcomes and quality of life (QoL)
Sharbel A. Elhage, Caleb T. Pflederer, Sullivan A. Ayuso, Jenny M. Shao, Eva B. Deerenberg, David Ku, Paul D. Colavita, Vedra A. Augenstein, B. Todd Heniford
Artificial intelligence prediction of cholecystectomy operative course from automated identification of gallbladder inflammation
Thomas M. Ward, Daniel A. Hashimoto, Yutong Ban, Guy Rosman, Ozanan R. Meireles
Trends and outcomes of minimally invasive surgery for gastrointestinal stromal tumors (GIST)
Jonathan Gevorkian, Emily Le, Luis Alvarado, Brian Davis, Alan Tyroch, Shintaro Chiba, Ioannis T. Konstantinidis
S148: Long-term patient-reported outcomes of laparoscopic magnetic sphincter augmentation versus Nissen fundoplication: a 5-year follow-up study
Sean M. O’Neill, Anahita D. Jalilvand, Jennifer S. Colvin, Kelly R. Haisley, Kyle A. Perry
A modular simulation curriculum to teach endoscopic stenting to practicing surgeons: an “Into the fire” approach
Harry J. Wong, Mikhail Attaar, Michelle Campbell, Hoover Wu, Kristine Kuchta, John G. Linn, Stephen P. Haggerty, Woody Denham, Michael B. Ujiki
Management of choledocholithiasis after Roux-en-Y gastric bypass: a systematic review and pooled proportion meta-analysis
Matthew Connell, Warren Y. L. Sun, Valentin Mocanu, Jerry T. Dang, Janice Y. Kung, Noah J. Switzer, Daniel W. Birch, Shahzeer Karmali
Outcomes following robot-assisted versus laparoscopic sleeve gastrectomy: the New York State experience
Matthew D. Burstein, Ajay A. Myneni, Lorin M. Towle-Miller, Iman Simmonds, Justin Gray, Steven D. Schwaitzberg, Katia Noyes, Aaron B. Hoffman
Robot-assisted versus laparoscopic approach to concurrent bariatric surgery and hiatal hernia repair: propensity score matching analysis using the 2015–2018 MBSAQIP
Raul Sebastian, Omar M. Ghanem, Jorge Cornejo, Thomas Ruttger, Matthew Mayuiers, Gina Adrales, Christina Li
Patient-reported bowel and bladder function is not adversely impacted by bariatric surgery
Michelle Campbell, Eliza A. Conaty, Mikhail Attaar, Hoover Wu, Harry J. Wong, Kristine Kuchta, Stephen P. Haggerty, Woody Denham, John G. Linn, Zeeshan Butt, Michael B. Ujiki
S157-a structured early intervention program in patients with predicted poor long-term outcome following bariatric surgery: a prospective randomized study
Panagiotis Drakos, Panagiotis Volteas, Kevin Seeras, Shabana Humayon, Benjamin Flink, Jie Yang, Chencan Zhu, Konstantinos Spaniolas, Mark Talamini, Aurora Pryor
Elevated hemoglobin A1c level and bariatric surgery complications
Ugoeze Nwokedi, Mahnoor Zia, Jiaqiong Xu, Archana R. Sadhu, Flavio E. Baio, Bita S. Kash, Vadim Sherman, Nabil Tariq
Postoperative bleeding and leaks in sleeve gastrectomy are independent of both staple height and staple line oversewing
Aman B. Ali, Lee M. Morris, Jeffrey Hodges, Farshad Amirkhosravi, Sara Yasrebi, Amelia Khoo, Edward A. Graviss, Duc T. Nguyen, Patrick R. Reardon
Marijuana use does not affect weight loss or complication rate after bariatric surgery
Tarin Worrest, C. Cole Malibiran, Jill Welshans, Elizabeth Dewey, Farah Husain
Should total omentectomy be performed for advanced gastric cancer?: The role of omentectomy during laparoscopic gastrectomy for advanced gastric cancer
Sangjun Lee, Yun-Suhk Suh, So Hyun Kang, Yongjoon Won, Young Suk Park, Sang-Hoon Ahn, Hyung-Ho Kim
Is preparation of a sterile operative field before percutaneous endoscopic gastrostomy necessary? A cost-effectiveness analysis
David J. Morrell, Alexander T. Liu, Eric M. Pauli, Joshua S. Winder
Comparative effectiveness of sleeve gastrectomy vs Roux-en-Y gastric bypass in patients giving birth after bariatric surgery: reinterventions and obstetric outcomes
Grace F. Chao, Jie Yang, Alex F. Peahl, Jyothi R. Thumma, Justin B. Dimick, David E. Arterburn, Dana A. Telem
A dedicated feeding tube clinic reduces emergency department utilization for gastrostomy tube complications
Amber M. Moyer, Danielle Abbitt, Kevin Choy, Teresa S. Jones, Theresa L. Morin, Krzystof J. Wikiel, Carlton C. Barnett, John T. Moore, Thomas N. Robinson, Edward L. Jones
Is minimally invasive surgery for large gastric GIST actually safe? A comparative analysis of short- and long-term outcomes
Andrew B. Crocker, Eduardo A. Vega, Onur C. Kutlu, Omid Salehi, Sebastian Mellado, Mu Li, Olga Kozyreva, Claudius Conrad
Insulin-like growth factor binding protein 2 null mice (Igfbp2−/−) are protected against trabecular bone loss after vertical sleeve gastrectomy
Benjamin T. Harris, Phuong T. Le, Janaina Da Silva Martins, Lama Alabdulaaly, Roland Baron, Mary L. Bouxsein, Clifford J. Rosen, Alison N. Pletch
Laparoscopic distal gastric and D1 resection for large perforated duodenal bulb peptic ulcer, with intracorporeal antecolic gastrojejunal anastomosis
Dimitrios Oikonomou, Elisa Bottazzoli, Dimitrios Damaskos, Salomone Di Saverio
Minimally invasive versus open duodenal switch: a nationwide retrospective analysis
Ahmed M. Al-Mazrou, Omar Bellorin, Vikrom Dhar, Gregory Dakin, Cheguevara Afaneh
Quantifying physiologic parameters of the gastroesophageal junction during re-operative anti-reflux surgery
Jacques A. Greenberg, Dessislava I. Stefanova, Fernando Valle Reyes, Rodrigo C. L. Edelmuth, Jessica W. Thiesmeyer, Caitlin E. Egan, Mengyuan Liu, Felice H. Schnoll-Sussman, Philip O. Katz, Paul Christos, Brendan M. Finnerty, Thomas J. Fahey III, Rasa Zarnegar
Factors associated with access and approach to esophagectomy for cancer: a National Cancer Database study
Elizabeth Blears, Hiran C. Fernando, James Shahoud, Benny Weksler
401 consecutive minimally invasive distal pancreatectomies: lessons learned from 20 years of experience
Alessandro Esposito, Marco Ramera, Luca Casetti, Matteo De Pastena, Martina Fontana, Isabella Frigerio, Alessandro Giardino, Roberto Girelli, Luca Landoni, Giuseppe Malleo, Giovanni Marchegiani, Salvatore Paiella, Antonio Pea, Paolo Regi, Filippo Scopelliti, Massimiliano Tuveri, Claudio Bassi, Roberto Salvia, Giovanni Butturini
Translation from manual to automatic endoscopic insufflation enhanced by a pressure limiter
Yuki Ushimaru, Tsuyoshi Takahashi, Kotaro Yamashita, Takuro Saito, Koji Tanaka, Kazuyoshi Yamamoto, Tomoki Makino, Yukinori Kurokawa, Hidetoshi Eguchi, Yuichiro Doki, Kiyokazu Nakajima
Impact of intra-abdominal insufflation pressure on gas leakage occurring during laparoscopy
Jeffrey Dalli, Tess Montminy, Makenzie Ferguson, Mohammad Faraz Khan, Kevin Nolan, Ronan A. Cahill
Clinical outcomes on weekly endoscopic dilations as the initial approach to manage patients with complex benign esophageal strictures: report on 488 dilations
Sowmya Palam, Mathew Mohorek, Syed Rizvi, Kulwinder Dua
A novel method for monitoring abdominal compliance to optimize insufflation pressure during laparoscopy
Frank Sterke, Willem van Weteringen, Lorenzo Ventura, Ilaria Milesi, René M. H. Wijnen, John Vlot, Raffaele L. Dellacà
Publisher Correction: Impact of type of minimally invasive approach on open conversions across ten common procedures in different specialties
Paresh C. Shah, Alexander de Groot, Robert Cerfolio, William C. Huang, Kathy Huang, Chao Song, Yanli Li, Usha Kreaden, Daniel S. Oh