Wellcome Trust Centre for Cell Matrix Research,
Faculty of Life Sciences,
University of Manchester,
The Michael Smith Building,
Oxford Road,
Manchester,
M13 9PT,
UK

INSERM U781,
Tour Lavoisier, 2ème étage,
Hôpital des Enfants Malades,
149 rue de Sèvres,
75015 Paris,
France

Department of Biochemistry and Department of Experimental Medicine, Histology and Embryology,
Faculty of Medicine,
University of Pavia,
Pavia,
Italy

Institute of Human Genetics,
International Centre for Life,
Central Parkway,
Newcastle-upon-Tyne,
NE1 3BZ,
UK

Institute of Biomedical Research,
Spanish National Research Council,
Madrid,
Spain

Development & Disease Research Group,
Max-Planck-Institute for Molecular Genetics,
Berlin,
Germany

Freiburg University Hospital,
Centre for Pediatrics and Adolescent Medicine Pediatric Genetics Section,
Mathildenstr. 1, D-79106 Freiburg (Breisgau),
Germany

Cell & Matrix Biology Research Unit,
Murdoch Children's Research Institute,
Melbourne,
Australia

Center for Medical Genetics,
Ghent University Hospital,
Ghent,
Belgium

Hems Mews,
86 Longbrook Street,
Exeter,
Devon,
EX4 6AP,
UK

GENterprise GmbH,
Gesellschaft für Genanalyse,
und Biotechnologie mbH,
Johann-Joachim-Becher-Weg 30a,
D-55099 Mainz,
Germany