[1] Spital Emmental, Dept Med, Burgdorf, Switzerland
[2] Univ Bern, Univ Hosp Bern, Dept Emergency Med, Inselspital, Bern, Switzerland
[3] Permanence Polipraxis, St Gallen, Switzerland
[4] Praxis Innere Med, Rankweil, Austria
[5] Charite Med Sch Berlin, Med Skills Lab, Berlin, Germany