1. Institute of Forensic Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, PR China;
2. Institute of Forensic Science, Yili Public Security Bureau of Xinjiang, Kuitun, PR China;
3. Department of History, Xiamen University, Xiamen, PR China;
4. Forensic Identification Center, Public Security Bureau of Tibet Autonomous Region, Lhasa, PR China