1. National Institute of Health and Medical Research and Department of Genetics, Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
2. National Institute of Health and Medical Research, Mixed Unit of Research 0205, Atomic Energy Commission, Orsay, France
3. National Institute of Health and Medical Research and Department of Psychiatry, Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
4. Paris 11 University, Paris 5 University, Mixed Unit of Research-S0669, Paris 10 University, Nanterre and Department of Obstetrics and Gynaecology, Assistance Publique-Hôpitaux de Paris, Paris, France
5. National Center for Scientific Research, Mixed Unit of Research 7114, Paris, France
6. Department of Genetics, Pitié Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France