ZHANG Gui-xin; XU Jun.Management of Public Iatrology and Sanitation Department; Public Sanitation and Tropic Iatrology Institute; Southern Medical University; Guangzhou 510515; China;

• 南方医科大学公共卫生与热带医学学院社会医学与卫生事业管理系;南方医科大学南方医院药学部;