[1] Hop Lariboisiere, Dept Otorhinolaryngol, F-75475 Paris, France
[2] House Ear Res Inst, Gonda Dept Cell & Mol Biol, Los Angeles, CA USA
[3] Umea Univ, Dept Otolaryngol, Umea, Sweden
[4] Univ Pittsburgh, Childrens Hosp Pittsburgh, Sch Med, Dept Otolaryngol, Pittsburgh, PA USA
[5] Childrens Res Inst, Wexner Inst Pediat Res, Dept Pediat, Columbus, OH USA
[6] Univ Miami, Dept Otolaryngol, Miami, FL 33152 USA
[7] Gentofte Univ Hosp, Dept Otorhinolaryngol, Hellerup, Denmark
[8] Washington Univ, Sch Med, Dept Otolaryngol, St Louis, MO 63110 USA
[9] Univ Lund Hosp, Dept Otorhinolaryngol, S-22185 Lund, Sweden
[10] Univ Innsbruck, Dept Otolaryngol, A-6020 Innsbruck, Austria
[11] Univ Tokyo, Sch Med, Dept Otolaryngol, Tokyo 113, Japan
[12] Loma Linda Univ, Med Ctr, Div Otolaryngol, Loma Linda, CA 92350 USA
[13] Shimane Med Univ, Dept Otolaryngol, Izumo, Shimane 693, Japan
[14] Childrens Hosp Wisconsin, Dept Otolaryngol, Milwaukee, WI 53201 USA
[15] Univ Minnesota, Dept Otolaryngol, Minneapolis, MN USA
[16] Massachusetts Eye & Ear Infirm, Dept Otolaryngol, Boston, MA 02114 USA
[17] Minnesota Ear Head & Neck Clin, Otopathol Lab, Minneapolis, MN 55454 USA