1. Emergency Medicine Medical University of Vienna Austria
2. Department of Anesthesiology University of Utah Salt Lake City UT USA
3. Department of Anaesthesia and Intensive Care The Chinese University of Hong Kong Shatin Hong Kong
4. Hong Kong Branch of The Chinese Cochrane Centre The Jockey Club School of Public Health and Primary Care The Chinese University of Hong Kong Shatin Hong Kong
5. Clinical Health Promotion Centre Faculty of Medicine Lund University MalmöSweden
6. Department of Emergency Medicine Medical University of Vienna Austria