Erratum
After publication of the original article [1], it came to the authors’ attention that a source of funding for the clinical trial was inadvertently omitted from the Acknowledgement section. The European and Developing Countries Clinical Trials Partnership (EDCTP) should have been mentioned as a part funder, so the Acknowledgement section should have read as follows:
Acknowledgement
The project was funded by the Medical University of Innsbruck. The purchase of the otoacoustic emission machines was supported by the Company Otometric, Taastup, Denmark and MedEL, Innsbruck, Austria. The local infrastructure was provided by the SMAC II study group. This clinical trial was partially funded by The European and Developing Countries Clinical Trials Partnership (EDCTP).
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