[1] SUNY Buffalo, Ctr Hearing & Deafness, Dept Communicat Disorders & Sci, Buffalo, NY USA
[2] Chinese Peoples Liberat Army Gen Hosp, Dept Otolaryngol Head & Neck Surg, Beijing, Peoples R China
[3] Capital Med Univ, Beijing Friendship Hosp, Dept Otolaryngol Head & Neck Surg, Beijing, Peoples R China