1. Department of Otolaryngology-Head and Neck Surgery, Division of Sleep Surgery and Medicine; Tripler Army Medical Center; Honolulu Hawaii
2. Department of Psychiatry and Behavioral Sciences, Sleep Medicine Division; Stanford Hospital and Clinics; Stanford California
3. Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital; Shenzhen, China; Stanford California
4. Department of Psychiatry and Behavioral Sciences; Stanford University, School of Medicine; Stanford California
5. Sierra Pacific Mental Illness Research Education and Clinical Centers; VA Palo Alto Health Care System; Palo Alto California
6. Department of Head and Neck Surgery; David Geffen School of Medicine at UCLA; Los Angeles California
7. Department of Otolaryngology-Head and Neck Surgery; Walter Reed National Military Medical Center; Bethesda Maryland
8. Department of Otolaryngology-Head and Neck Surgery; Naval Medical Center Portsmouth; Portsmouth Virginia USA
9. Department of Otorhinolaryngology/Sleep Medicine Centre-Hospital CUF & CHEDV Porto; University of Porto; Porto Portugal
10. CINTESIS-Center for Research in Health Technologies and Information Systems; University of Porto; Porto Portugal