[1] MASSACHUSETTS EYE & EAR INFIRM,EATON PEABODY LAB AUDITORY PHYSIOL,BOSTON,MA 02114
[2] MASSACHUSETTS GEN HOSP,NEUROL SERV,BOSTON,MA 02114
[3] UNIV HOSP INNSBRUCK,DEPT EAR NOSE & THROAT,A-6020 INNSBRUCK,AUSTRIA
[4] HARVARD UNIV,SCH MED,DEPT ANAT,BOSTON,MA 02115
[5] HARVARD UNIV,SCH MED,DEPT PHYSIOL,BOSTON,MA 02115
[6] HARVARD UNIV,SCH MED,DEPT OTOLARYNGOL,BOSTON,MA 02115
[7] MIT,DEPT ELECT ENGN & COMP SCI,CAMBRIDGE,MA 02139