1. Section Sportsorthopedics and Sportsmedicine, Department of Orthopedic and Trauma Surgery, Klinikum Bamberg, Bamberg, FRG, Germany
2. Department of Trauma Surgery, Friedrich Alexander University of Erlangen-Nuremberg, FRG, Germany
3. Section of Wilderness Medicine, Department of Emergency Medicine, University of Colorado School of Medicine, Denver, USA
4. SSchool of Clinical and Applied Sciences, Leeds Becket University, Leeds, UK
5. School of Clinical and Applied Sciences, Leeds Becket University, Leeds, UK
6. Department of Pediatric Cardiology, Friedrich Alexander University Erlangen-Nuremberg, FRG, Germany
7. Medical School, Friedrich Alexander University Erlangen-Nuremberg, FRG, Germany
8. Institute of Occupational and Social Medicine, RWTH Aachen Technical University, FRG, Germany
9. Department of Orthopedic and Trauma Surgery, Klinikum Bamberg, FRG, Germany