1. Swedish Institute for Disability Research, Örebro University, Sweden
2. Audiological Research Centre, Örebro University Hospital, Sweden
3. HEAD (Hearing and Deafness) Research School, Linköping University, Sweden
4. VU University Medical Center, Amsterdam, Netherlands
5. International Classification of Functioning, Disability and Health (ICF) Research Branch in cooperation with the World Health Organization (WHO) Collaborating Centre for the Family of International Classifications in Germany (at DIMDI), Nottwil, Switzerland
6. Swiss Paraplegic Research, Nottwil, Switzerland