-
I. Kirikae
Department of Oto-rhino-laryngology, Faculty of Medicine, Tokyo University
-
I. Watanabe
Department of Oto-rhino-laryngology, Faculty of Medicine, Tokyo University
-
S. Sawaki
Department of Oto-rhino-laryngology, Faculty of Medicine, Tokyo University
-
N. Toriyama
Department of Oto-rhino-laryngology, Faculty of Medicine, Tokyo University
-
K. Masuda
Department of Oto-rhino-laryngology, Faculty of Medicine, Tokyo University
-
T. Sakai
Planning Department, Toyo Denki Seizo K. K.
-
H. Hayashi
Planning Department, Toyo Denki Seizo K. K.