Denise Pui Chung Chan
Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong, China
Bonnie Chun Kwan Wong, Ka Hing Wong
Special Preventive Programme, Centre for Health Protection, Department of Health, Hong Kong Special Administrative Region Government, Hong Kong, China
Chin Man Poon
Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong, China
Chin Pok Chan
JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
Danny King Fai Cheung
Special Preventive Programme, Centre for Health Protection, Department of Health, Hong Kong Special Administrative Region Government, Hong Kong, China
Ngai Sze Wong 
Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong, China
JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
Shui Shan Lee ⁎ 
Stanley Ho Centre for Emerging InfectiousDiseases, The Chinese University of Hong Kong, Shatin, Hong Kong, China