Institute of Genetic Medicine
Newcastle University
International Centre for Life
Central Parkway
Newcastle upon Tyne
NE1 3BZ
Institute of Human Genetics
International Centre for Life
Central Parkway
Newcastle-upon-Tyne
NE1 3BZ
UK
Unité INSERM 781
Hopital Necker-Enfants Malades
149 rue de Sèvres
75743 Paris
Cedex 15
France
Centre for Pediatrics and Adolescent Medicine Freiburg
University Hospital Mathildenstr. 1
D-79106 Freiburg
Germany
Division of Molecular Pediatrics
Centre Hospitalier Universitaire Vaudois
Rue du Bugnon
CH-1011 Lausanne, Switzerland
Department of Medical Biochemistry
University of Oulu
PO Box 5000
Aapistie 7
90014 Oulu
Finland
Department of Medical Genetics
Antwerp University Hospital
Prins Boudewijnlaan 43
B-2650 Edegem
Belgium