1. Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI); University Medical Centre; Mainz Germany
2. University Cancer Centre; Mainz Germany
3. Mainz-Frankfurt; German Consortium of Translational Cancer Research; Germany
4. Department of Medical Psychology and Medical Sociology; University Medical Centre; Leipzig Germany
5. Department of Obstetrics and Gynaecology; University Medical Centre; Leipzig Germany
6. Department of General Surgery; University Medical Centre; Leipzig Germany
7. Department of Otolaryngology; University Medical Centre; Leipzig Germany
8. Department of Radiation-Oncology; University Medical Centre; Leipzig Germany
9. Department of Neurosurgery; University Medical Centre; Leipzig Germany
10. Department of Hepatology and Gastroenterology; University Medical Centre Charité; Campus Virchow Clinic Berlin Germany
11. Department of Orthopaedics; University Medical Centre; Leipzig Germany
12. Department of Maxillofacial Surgery; University Medical Centre; Leipzig Germany
13. Department of Urology; University Medical Centre; Leipzig Germany
14. Department of Pneumology; University Medical Centre; Leipzig Germany