1. School of Forensic Medicine, Kunming Medical University, Kunming, People's Republic of China.
2. Hospital of Yunnan University of Nationalities, Kunming, People's Republic of China.
3. Affiliated Yan An Hospital of Kunming Medical University, Kunming, People's Republic of China.
4. Material Evidence Identification Center of Chongqing City Public Security Bureau, Chongqing, People's Republic of China.
5. Institute of Criminal Science and Technology of Lin Cang Police Bureau, Lin Cang, People's Republic of China.