Affiliation: | 1. Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China Fan Zhou and Ankita Shrestha contributed equally to this work.;2. Department of Occupational Health Management, Guangzhou Twelfth People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China;3. Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China |