Wuokko-Landén, Annina http://orcid.org/0000-0003-2090-2362
Blomgren, Karin
Suomalainen, Anni
Välimaa, Hannamari
Funding for this research was provided by:
Helsingin ja Uudenmaan Sairaanhoitopiiri (Not available)
Article History
Received: 5 February 2020
Accepted: 27 May 2020
First Online: 4 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Because of the retrospective nature of this study, all study procedures adhere to the ethical standards of Finnish legislation. The Head of the Department of Otorhinolaryngology at HUH approved the study protocol.
: No informed consents were required from the study’s patients.