1. Department of Otolaryngology, Hearing and Balance Research Unit, University of Tampere, Tampere, Finland,
2. Department of Speech and Hearing Sciences, Lamar University, Beaumont, Texas, United States,
3. The Swedish Institute for Disability Research, Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden,
4. Audiology India, Mysore, Karnataka, India,
5. Department of Speech and Hearing, School of Allied Health Sciences, Manipal University, Manipal, Karnataka, India,
6. Department of Otolaryngology-Head and Neck Surgery, Center for Otolaryngology-Head & Neck Surgery of Chinese PLA, Changhai Hospital, Second Military Medical University, Shanghai, China, and
7. Department of Otolaryngology, University of Helsinki, Helsinki, Finland