1. Department of Psychosomatics and Psychiatry, University Children’s Hospital, University of Zurich, 8032 Zurich, Switzerland
2. Division of Child and Adolescent Health Psychology, Department of Psychology, University of Zurich, 8032 Zurich, Switzerland
3. Children’s Research Center, University Children’s Hospital, University of Zurich, 8032 Zurich, Switzerland
4. University Research Priority Program “ITINERARE–Innovative Therapies in Rare Disease”, University of Zurich, 8032 Zurich, Switzerland
5. William F. Connell School of Nursing, Boston College, Chestnut Hill, Boston, MA 02467, USA
6. P50 Massachusetts General Hospital—Harvard Center for Reproductive Medicine Boston, Boston, MA 02114, USA