1. Departments of Pediatric Endocrinology (M.-A.B., G.S.), CH-4056 Basel, Switzerland
2. Division of Obstetrics and Gynecology (M.W., O.L.), University Hospital Basel, CH-4031 Basel, Switzerland
3. Neonatology (S.F., J.B., S.W.), University Children's Hospital Basel, CH-4056 Basel, Switzerland
4. Neonatal Intensive Care Unit (S.F.), University Hospital of Patras, 26500 Patras, Greece
5. Department of Obstetrics (T.B.), University Hospital Zurich, Zurich 8091, Switzerland
6. Zurich Center for Integrative Human Physiology (T.B., S.W.), University of Zurich, CH-8032 Zurich, Switzerland
7. Department of Neonatology (C.B.), Charité University Medical Center, D-10117 Berlin, Germany
8. Department of Neonatology (S.W.), University Hospital Zurich, CH-8091 Zurich, Switzerland