Shin-ichi Usami

Hidekane Yoshimura¹, 

Yutaka Takumi¹, 

Shin-ya Nishio², 

Shin-ichi Usami² 

¹Department of Otorhinolaryngology - Head and Neck Surgery, Shinshu University School of Medicine, 

²Department of Hearing Implant Sciences, Shinshu University School of Medicine