1. Family and Development Research Centre; Institute of Psychology; Lausanne Switzerland
2. Paediatric Haematology and Oncology; Armand Trousseau Hospital; Assistance Publique des Hôpitaux de Paris (APHP); Paris France
3. Addictions Unit; Trois Cyprès Hospital; La Penne sur Huveaunne; France
4. Paediatric Migraine Centre; Armand Trousseau Hospital, APHP; Paris France