Nuffield Department of Clinical Medicine, John Radcliffe Hospital, Headington, Oxford, UK
KAYE. DAVIES
Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, 02114, USA
JAMESF. GUSELLA
Department of Genetics, Hospital for Sick Children, Toronto, Ontario, Canada, M5G1X8
LAP-CHEE TSUI
Biochemistry Department, St Mary's Hospital Medical School, London, W2, UK
R. WILLIAMSON
Whitehead Institute for Biomedical Research, Nine Cambridge Center, Cambridge, Massachusetts, 02142, USA
DAVIDC. PAGE
Duncan Guthrie Institute of Medical Genetics, Royal Hospital for Sick Children, Yorkhill, Glasgow, G3 8SJ, UK
M. A. FERGUSON-SMITH