Following the publication of the original article [1], it was brought to our attention that citation number 20 had been truncated. At current the reference reads as:
‘20. Freire SM, Sundvall E, Karlsson D, Lambrix P. Performance of XML Databases for Epidemiological Queries in Archetype-Based EHRs. 2012:51–57.’
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However, it should instead read as:
‘20. Freire SM, Sundvall E, Karlsson D, Lambrix P. Performance of XML Databases for Epidemiological Queries in Archetype-Based EHRs. Scandinavian Conference on Health Informatics 2012:51–57. http://www.ep.liu.se/ecp/070/009/ecp1270009.pdf’
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