1. Division of Occupational and Environmental Health, Jockey Club School of Public Health and Primary Care; The Chinese University of Hong Kong, Hong Kong Special Administrative Region; Hong Kong China
2. Department of Clinical Oncology, Queen Elizabeth Hospital; Hong Kong Special Administrative Region; Hong Kong China
3. Department of Medicine, Queen Elizabeth Hospital; Hong Kong Special Administrative Region; Hong Kong China
4. School of Public Health, Sun Yat-sen University; Guangzhou Guangdong Province, Hong Kong China