1. Department of Obstetrics University Hospital of Zurich Zurich Switzerland
2. University of Zurich Zurich Switzerland
3. The Zurich Center for Fetal Diagnosis and Therapy University of Zurich Zurich Switzerland
4. Department of Neuropediatrics University Children's Hospital Zurich Zurich Switzerland
5. Spina Bifida Center University Children's Hospital Zurich Zurich Switzerland
6. Department of Pediatric Surgery University Children‘s Hospital Zurich Zurich Switzerland
7. Children's Research Center University Children's Hospital Zurich Zurich Switzerland