作者单位:Nagasaki Univ, Grad Sch Biomed Sci, 1-12-4 Sakamoto, Nagasaki 8528523, Japan[1]Pham Ngoc Thach Univ Med, Fac Med, Ho Chi Minh City 700000, Vietnam[2]Online Res Club, Nagasaki, Japan[3]Nagasaki Univ, Sch Trop Med & Global Hlth, 1-12-4 Sakamoto, Nagasaki 8528523, Japan[4]Childrens Hosp 1, Ho Chi Minh City 700000, Vietnam[5]