1 Department of Forensic Medicine, National Police University of China, No.83, Tawan Street, Huanggu District, Shenyang, Liaoning 110854, China; Criminal Science and Technology Institute of Liaoning Province, No.2, Qishan Middle Road, Huanggu District, Shenyang, Liaoning 110032, China.
2 Department of Forensic Medicine, National Police University of China, No.83, Tawan Street, Huanggu District, Shenyang, Liaoning 110854, China; Criminal Science and Technology Institute of Liaoning Province, No.2, Qishan Middle Road, Huanggu District, Shenyang, Liaoning 110032, China. Electronic address: jiangxianhua_2006@aliyun.com.