[1] Univ N Carolina, Frank Porter Graham Child Dev Inst, Chapel Hill, NC 27599 USA
[2] Univ Utah, Coll Hlth, Salt Lake City, UT USA
[3] CUNY Hunter Coll, New York, NY 10021 USA
[4] Albert Einstein Coll Med, Bronx, NY 10467 USA
[5] SUNY Downstate Med Ctr, Coll Med, Brooklyn, NY 11203 USA
[6] Univ Colorado, Childrens Hosp, Denver, CO 80202 USA
[7] Univ Colorado, Sch Med, Denver, CO USA
[8] MRC, Inst Hearing Res, Nottingham, England
[9] Univ N Carolina, Sch Med, Chapel Hill, NC USA
[10] Amer Acad Pediat, Elk Grove Village, IL USA
[11] Univ Oxford, Univ Lab Physiol, Oxford, England
[12] Univ N Carolina, Sch Educ, Chapel Hill, NC 27599 USA
[13] Res Triangle Inst, Res Triangle Pk, NC 27709 USA