This patient sample derived from numerous provinces throughout Southern Vietnam and Southern of Central Vietnam (50.2 millions people), including 41.78% from Mekong River Delta (17757 patients/17.3 millions people/13 provinces), 14.34% from HoChiMinh City (6095 patients/9 millions people), 16.99% from SouthEast region (7222 patients/8.8 millions people/5 provinces), 16.21% from South Central Coast (6890 patients/9.2 millions people/8 provinces), and 8.89% from Central Highland region (3778 patients/5.8 millions people/5 provinces).