1. Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China;
2. School of Forensic Medicine, China Medical University, Shenyang, China;
3. Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
4. Department of Pathology, Guangzhou Medical University, Guangzhou, China