1. Department of Trauma and Orthopaedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
2. Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
3. Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
4. Laboratory of Biosafety, School of Public Health, Southern Medical University, Guangzhou, China
5. School of Environment, South China Normal University, Guangzhou, China