1. Institute of Occupational Health Assessment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, China
2. Occupational Health Department, Foshan Shunde District Center for Disease Control and Prevention, China
3. Occupational Health Department, Songgang Institute for Disease Prevention and Healthcare of Baoan District, China
4. Institution for Occupational Health and Radiation Protection, Zhejiang Provincial Center for Disease Control and Prevention, China