Letter to the editor.
Viroj
V
Wiwanitkit
D016265:Conflict of Interest; D019049:Developed Countries; D003906:Developing Countries; D030881:Disclosure / Q000941:ethics*; D019981:Health Care Sector / Q000941:ethics; D006801:Humans; D012109:Research Support as Topic / Q000941:ethics*; D014495:Universities / Q000941:ethics