Medical Advisory Board Dor Yeshorim Medical Advisory Board John G. Pappas, M.D.Director Dept. of Clinical Genetics NYU Medical Center New York, N.Y. Berish Y. Rubin, Ph.D.Professor Dept. of Biological Sciences Fordham University Bronx, N.Y. Wendy K. Chung, M.D.Chief Division of Clinical Genetics Columbia University Hospital New York, N.Y. Gideon Bach, Ph.D.Professor & Chairman Dept. of Human Genetics Hadassah University Hospital Jerusalem, Israel Edwin H. Kolodny, M.D.Professor & Chairman Dept. of Neurology NYU Medical Center New York, N.Y.