Correction: Trials 21, 950 (2020)

https://doi.org/10.1186/s13063-020-04849-3


Following the publication of the original article [1], we have been notified that that the below sentence marked in bold needs to be removed from the Eligibility criteria of the Methods section:

“Exclusion criteria are conditions that need closer postoperative care by otolaryngologists: medical syndromes (e.g., Downs syndrome), other coexisting severe diseases, or severe neurogenic hearing loss in at least one ear (children with > 50 dB hearing threshold in at least one frequency 0.25–4.0 kHz are excluded).”