[1] Univ Monastir, Fac Med Monastir, Monastir 5019, Tunisia
[2] Tahar Sfar Univ Hosp, Emergency Dept, Res Unit Douleur Thorac, UR17SP09, Mahdia 5100, Tunisia
[3] Univ Sousse, Fac Med Sousse, Sousse 4002, Tunisia
[4] Guangdong Acad Med Sci, Inst Sci Emergency Med, Guangdong Prov Peoples Hosp, Dept Emergency Med, Guangzhou, Guangdong, Peoples R China
[5] Wayne State Univ, Dept Emergency Med, Sch Med, Detroit, MI USA