Affiliation: | (1) Department of Human Genetics, Leiden University Medical Center, P.O. Box 9503, 2300 Leiden, RA, The Netherlands;(2) Department of Medical Genetics, University of Helsinki, Biomedicum Helsinki, Haartmaninkatu 8, Finland;(3) Molecular and Population Genetics Laboratory, Cancer Research UK, 44, Lincoln's Inn Fields, WC2A 3PX London, UK |