1. Department of Neurosurgery; Justus-Liebig-University; Giessen Germany
2. German Center for Fetal Surgery & Minimally Invasive Therapy (DZFT); Justus-Liebig-University; Giessen Germany
3. Department of Neuropediatrics; Justus-Liebig-University; Giessen Germany
4. Department of General Pediatrics and Neonatology; Justus-Liebig-University; Giessen Germany