[1] Peking Univ, Sch Publ Hlth, Dept Global Hlth, Beijing, Peoples R China
[2] Laerdal Med Cooperat, Stavanger, Norway
[3] Shanghai Jiao Tong Univ, Sch Publ Hlth, Shanghai, Peoples R China
[4] Singapore Gen Hosp, Dept Emergency Med, Singapore, Singapore
[5] Duke Natl Univ, Singapore Med Sch, Prehosp & Emergency Res Ctr, Singapore, Singapore
[6] SingHealth Reg Hlth Syst, Ctr Populat Hlth Res & Implementat, Singapore, Singapore
[7] Duke Univ, Sch Med, Dept Family Med & Community Hlth, Durham, NC USA
[8] Duke Univ, Sch Med, Dept Populat Hlth Sci, Durham, NC USA
[9] Shanghai Med Emergency Ctr, Shanghai, Peoples R China
[10] Shanghai Jiao Tong Univ, Sch Nursing, Shanghai, Peoples R China