1. Division of Sleep Surgery, Department of Otolaryngology – Head and Neck Surgery at Stanford University School of Medicine, Stanford, California
2. Department of Otolaryngology – Head and Neck Surgery at Santa Casa School of Medicine, Santa Casa de Misericórida de São Paulo, São Paulo, SP, Brazil
3. Division of Sleep Medicine, Department of Psychiatry and Behavioral Sciences, Stanford University, School of Medicine, Stanford, California
4. Department of Otolaryngology – Head and Neck Surgery at University Putra Malaysia, Serdang, Selangor, Malaysia
5. Department of Otolaryngology, China Medical University Hospital, Taichung, Taiwan