270
Participants
Start Date
May 22, 1996
Primary Completion Date
November 13, 2009
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda
University of Iowa, Iowa City
Kennedy-Galton Centre Medical & Community Genetics, Harrow
Institute of Cancer Research, Sutton
National Institute of Neurological Disorders and Stroke (NINDS)
NIH