1. Executive Board, Polipraxis Group, St. Gallen, Switzerland
2. Emergency Department, Regional Hospital, Wil, Switzerland
3. Department of Internal Medicine, Hospital Märkisch Oderland Strausberg/ Wirzen, Wriezen, Germany
4. Department of Internal Medicine, Clinics Hirslanden Beau Site, Salem and Permanence, Bern, Switzerland
5. Emergency Department, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom of Great Britain and Northern Ireland
6. Emergency Department, General University Hospital Attikon, Athens, Greece
7. Department of Radiology, "Sapienza" University of Rome, ROME, Italy
8. Department of Central Interdisciplinary Sonography, Bruederkrankenhaus, Trier, Germany
9. RVI's Great North Trauma and Emergency Centre, Royal Victoria Infirmary, St. Gallen, Seychelles
10. Emergency Department, Harvard Medical School Department of Emergency Medicine Beth Israel Deaconess Medical Center, Boston, United States