1. NYMAC Regional Genetics Network; Wadsworth Center; Albany New York
2. Genetic Counseling Program; Ferre Institute; Binghamton New York
3. RTI International; Research Triangle Park; North Carolina
4. New York State Department of Health; Wadsworth Center; Albany New York
5. The Jackson Laboratory for Genomic Medicine; Farmington Connecticut
6. McKusick-Nathans Institute of Genetic Medicine; Johns Hopkins University; Baltimore Maryland