1. Department of Anesthesiology Center of Anesthesiology and Intensive Care Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Department of Pediatrics Center for Obstetrics and Pediatrics University Medical Center Hamburg‐Eppendorf Hamburg Germany
3. International Center for Lysosomal Disorders (ICLD) and Martin Zeitz Centre for Rare Diseases University Medical Centre Hamburg‐Eppendorf Hamburg Germany
4. Department of Medical Biometry and Epidemiology University Medical Center Hamburg‐Eppendorf Hamburg Germany
5. Department of Anesthesiology Center of Anesthesiology and Intensive Care Medicine University Medicine Rostock Rostock Germany
6. Department of Pediatric Orthopedics AKK Altona Children's Hospital Hamburg Germany
7. Department of Orthopedics University Medical Center Hamburg‐Eppendorf Hamburg Germany