Li Jun, Nishikiori Nobuyuki, Leung Chi Chiu, Yeoh Engkiong, Chung Puihong
JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong SAR, China.
World Health Organization Regional Office for the Western Pacific, Manila, Philippines.
Western Pac Surveill Response J. 2017 Feb 10;8(1):33-36. doi: 10.5365/WPSAR.2016.7.3.011. eCollection 2017 Jan-Mar.