[1] Ctr hosp Forez, Struct urgences, Ave Monts du Soir, F-42600 Montbrison, France
[2] Grp cooperat Sanit Urgences ARA, 3 Pl Louis Pradel, F-69001 Lyon, France
[3] Ctr hosp Univ Edouard Herriot, Dept med urgence, Hosp civils Lyon, F-69003 Lyon, France
[4] Ctr hosp Univ St Etienne, Serv Psychiat, F-42055 St Etienne 2, France
[5] univ Jean Monnet, Unitede Rech TAPE, EA 7423, Pole St Innovat, 10 rue Marandiere, F-42270 St priest, France
[6] Univ Claude Bernard Lyon 1, Res Healthcare Performance RESHAPE, Inserm U1290, Lyon, France