1. Department of Orofacial Pain and Dysfunction Academic Centre for Dentistry Amsterdam (ACTA) University of Amsterdam and Vrije Universiteit Amsterdam Amsterdam The Netherlands
2. Faculty of Dental Medicine Centre d'étude du sommeil Université de Montréal and Hôpital du Sacré Coeur Montréal QC Canada
3. Department of Oral Physiology Sleep Medicine Center Osaka University Hospital Osaka University Graduate School of Dentistry Osaka Japan
4. Department of Oral Health Sciences Faculty of Dentistry University of British Columbia Vancouver BC Canada