About the Authors

Cai-xia Li

hulan328@yahoo.com (LH); licaixia@tsinghua.org.cn (CL)

Affiliations Institute of Forensic Science, Ministry of Public Security, Beijing, China, Key Laboratory of Forensic Genetics, Ministry of Public Security, Beijing, China

Jun-ping Han

Affiliation Chinese Peoples Public Security University, Beijing, China

Wen-yan Ren

Affiliation Chinese Peoples Public Security University, Beijing, China

An-quan Ji

Affiliations Institute of Forensic Science, Ministry of Public Security, Beijing, China, Key Laboratory of Forensic Genetics, Ministry of Public Security, Beijing, China

Xiu-lan Xu

Affiliations Institute of Forensic Science, Ministry of Public Security, Beijing, China, Key Laboratory of Forensic Genetics, Ministry of Public Security, Beijing, China

Lan Hu

hulan328@yahoo.com (LH); licaixia@tsinghua.org.cn (CL)

Affiliations Institute of Forensic Science, Ministry of Public Security, Beijing, China, Key Laboratory of Forensic Genetics, Ministry of Public Security, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LH AJ XX CL. Performed the experiments: CL JH WR XX. Analyzed the data: CL JH. Contributed reagents/materials/analysis tools: CL JH WR. Wrote the paper: CL. Final manuscript approval: LH.