Vaud: Dr Marie-Claude Addor, Registre Vaudois des Anomalies Congenitales and Swiss Registry for EUROCAT, Division of Medicial Genetics, Maternite, CH-1011 CHUV-Lausanne, Switzerland Tel: +41 21 3143391 Fax: +41 21 3143392 Email: marie-claude.addor@chuv.hospvd.ch Web: www.hospvd.ch/public/chuv/genmol/eurocat/euro-home.htm (username: eurocat, password: tropic)