1. Emergency Medicine Department, Attikon University Hospital, 12462 Athens, Greece
2. National Centre of Emergency Care (EKAB), 11527 Athens, Greece
3. Department of Occupational Therapy, University of Western Macedonia, 50200 Ptolemaida, Greece
4. Polipraxis, 9000 St. Gallen, Switzerland
5. Department of Emergency Medicine BIDMC, One Deaconess Rd, WCC2, Boston, MA 02215, USA