[1] Inst Hlth Econ & Technol, Hanoi, Vietnam
[2] Duy Tan Univ, Inst Global Hlth Innovat, Da Nang, Vietnam
[3] Duy Tan Univ, Fac Med, Da Nang, Vietnam
[4] Hanoi Med Univ, Dept Anaesthesiol, Hanoi, Vietnam
[5] Ca Mau Obstet & Pediat Hosp, Social Affair Dept, Ca Mau, Vietnam
[6] Hanoi Obstet & Gynecol Hosp, Hanoi, Vietnam
[7] Nguyen Tat Thanh Univ, Ctr Excellence Evidence Based Med, Ho Chi Minh City, Vietnam
[8] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Baltimore, MD USA
[9] Hanoi Med Univ, Inst Prevent Med & Publ Hlth, Hanoi, Vietnam
[10] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Psychol Med, Singapore, Singapore
[11] Natl Univ Hlth Syst, Dept Psychol Med, Singapore, Singapore
[12] Natl Univ Singapore, Inst Hlth Innovat & Technol iHealthtech, Singapore, Singapore