qin-yan chen guangxi zhuang autonomous region center for disease prevention and control, nanning, china tim j harrison division of medicine, faculty of medical sciences, university college london, london, uk caroline a sabin research department of infection and population health, ucl medical school, london, uk guo-jian li department of public health of guangxi zhuang autonomous region, nanning, china gao-ming huang school of public health, guangxi medical university, nanning, china jin-ye yang guangxi zhuang autonomous region center for disease prevention and control, nanning, china

V Ciocca A Bombonati Z Gatalica M Di Pasquale A Milos A Ruiz-Orrico D Dreher N Folch F Monzon G Santeusanio C M Perou P S Bernard J P Palazzo