1. Clinic of Japanese-Oriental (Kampo) Medicine, Department of Otorhinolaryngology & Head and Neck Surgery, Kanazawa University Hospital, 13-1 Takaramachi, Kanazawa, Ishikawa 920-8641, Japan
2. Department of Surgery, Japanese Red Cross Kanazawa Hospital, Mima 2-251, Kanazawa 921-8162, Japan