1. Department of Diagnostic and Interventional RadiologyUniversity Hospital Heidelberg Heidelberg Germany
2. Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and NeuroradiologyUniversity Medicine Rostock Rostock Germany
3. Department of Nursing and HealthUniversity of Applied Sciences of the Saarland Saarbruecken Germany
4. Department of Orthopedics and Trauma SurgeryUniversity Hospital Heidelberg Heidelberg Germany