1. Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, School of Dentistry, Faculty of Health Sciences
2. Wilhelm Johannsen Center for Genome Research, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3B, Copenhagen N DK-2200, Denmark
3. The Novo Nordisk Foundation Center for Basic Metabolic Research, Metabolics Genetics, Universitetsparken, Copenhagen Ø DK-2100, Denmark
4. Human Genetics Program, Sanford Children's Health Research Center, Sanford Burnham Medical Research Institute, La Jolla, CA 92037, USA
5. Architecture et Fonction des Macromolécules Biologiques, UMR 7257, Centre National de la Recherche Scientifique, Aix-Marseille Université, Marseille 13288, France