Institution: | From the Institut National de la Santé et de laRecherche Médicale, U489, Hôpital Tenon, Paris, France; theDepartment of Medical Biochemistry, University of Aarhus, Aarhus,Denmark; and the Department of Medical Genetics, Institute ofMedical Biochemistry and Genetics, The Panum Institute, University ofCopenhagen, Copenhagen, Denmark. |