[1] Univ Sao Paulo HCFMUSP, Hosp Clin, Fac Med, Pathol Dept, Sao Paulo, SP, Brazil
[2] Harvard Med Sch, Dept Emergency Med, Boston, MA 02115 USA
[3] Harvard Med Sch, Brigham & Womens Hosp, STRATUS Ctr Med Simulat, Boston, MA 02115 USA
[4] Univ Sao Paulo HCFMUSP, Hosp Clin, Fac Med, Discipline Clin Emergencies, Sao Paulo, SP, Brazil
[5] Univ Sao Paulo HCFMUSP, Hosp Clin, Fac Med, Heart Inst, Sao Paulo, SP, Brazil
[6] Univ Sao Paulo HCFMUSP, Hosp Clin, Fac Med, Abil & Simulat Lab, Sao Paulo, SP, Brazil