1. Medical supply center for Histology Cytology and Molecular diagnostics Trier GmbH Wissenschaftspark Trier TRIER Germany
2. Department of General‐, Visceral‐, Vascular‐ and Pediatric Surgery Saarland University Medical Center Homburg/Saar Germany
3. Department of Dermatology Allergology, and Venerology Saarland University Medical Center Homburg/Saar Germany