1. Department of Otolaryngology, Hearing and Balance Research Unit, University of Tampere, Tampere, Finland
2. Faculty of Medicine, University of Tartu, Tartu, Estonia
3. Finnish Ménière Federation, Helsinki, Finland
4. Department of Speech and Hearing Sciences, Lamar University, Beaumont, TX, USA
5. Department of Speech and Hearing, School of Allied Health Sciences, Manipal University, Manipal, Karnataka, India