1. Department of Otolaryngology-Head and Neck Surgery; Georgetown University Hospital; Washington, D.C.
2. Otolaryngology Branch, National Institute on Deafness and Other Communication Disorders; National Institutes of Health; Bethesda Maryland
3. Medical Genetics Branch, National Human Genome Research Institute; National Institutes of Health; Bethesda Maryland
4. The Jackson Laboratory; Bar Harbor Maine
5. NIH Undiagnosed Diseases Program, Common Fund, Office of the Director; National Institutes of Health; Bethesda Maryland
6. Office of the Clinical Director, National Human Genome Research Institute; National Institutes of Health; Bethesda Maryland
7. Alström Syndrome International; Bar Harbor Maine
8. Johns Hopkins University School of Medicine; Department of Pediatrics and McKusick-Nathans Institute of Genetic Medicine; Baltimore Maryland