1. Division of Sleep Surgery, Department of Otolaryngology Head and Neck Surgery, Stanford Hospital and Clinics, Stanford, California, USA
2. School of Medicine, Stanford University, Stanford, California, USA
3. Department of Otolaryngology, Head and Neck Surgery, Cathay General Hospital, Taipei, Taiwan
4. School of Medicine, Fu Jen Catholic University, Taipei, Taiwan
5. Field of Development Medicine, Health Research Course, Graduate School of Medicine and Dental Sciences, Kagoshima University, Kagoshima, Japan