1. Service de santé de l’enfance et de la jeunesse, Département de l’instruction publique, de la formation et de la jeunesse, Geneva, Switzerland;
2. Department of Plastic, Reconstructive and Aesthetic Surgery, Geneva University Hospitals, Geneva, Switzerland;
3. Institute of Global Health, Faculty of Medicine, University of Geneva, Geneva, Switzerland;
4. Service of Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland;
5. Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland