Tangcharoensathien Viroj, Chanvatik Sunicha, Sommanustweechai Angkana
International Health Policy Program, Ministry of Public Health, Nonthaburi 11000, Thailand.
Bull World Health Organ. 2018 Feb 1;96(2):141-144. doi: 10.2471/BLT.17.199687. Epub 2018 Jan 10.