| Affiliation: | 1. Section of Pediatric Surgery, Department of Surgery, The University of Michigan Medical School and The C.S. Mott Children's Hospital and the Fetal Diagnosis and Treatment Center, Ann Arbor, Michigan, USA;2. Section of Pediatric Radiology, Department of Radiology, The University of Michigan Medical School and The C.S. Mott Children's Hospital and the Fetal Diagnosis and Treatment Center, Ann Arbor, Michigan, USA;3. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The University of Michigan Medical School and The C.S. Mott Children's Hospital and the Fetal Diagnosis and Treatment Center, Ann Arbor, Michigan, USA |
