Affiliation: | 1. Section of Clinical Genetics, Department of Pediatrics, University Hospital, Rigshospitalet, Blegdamsvej 9, DK-2100. Copenhagen 0, Denmark;2. Clinical Genetic Unit, Royal Manchester Children's Hospital, University of Manchester School of Medicine, Pendlebury, U.K.;3. Institute of Human Genetics, University of Gotlingen, Gosslerstrasse 12 d, D-3400 Göttingen, F.R.G.;4. Department of Human Genetics, Stale University of Groningen, 9713 AW Groningen, The Netherlands;5. Department of Biochemistry and Molecular Genetics, St Mary's Hospital Medical School. University of London, London, U.K.;6. Erasmus University of Rotterdam, Department of Clinical Genetics, P.O. Box 1738,3000, DR Rotterdam, The Netherlands;7. Laboratory of Clinical Chemistry, University of Liege, Sart-Tilman by Liege, Belgium;8. First Department of Internal Medicine, Laikon General Hospital, University of Athens School of Medicine, 11527 Athens, Greece;9. Genetic Molecular Laboratory, Instituto Giannina Gaslini, 16148, Geneva, Italy |