Funding for this research was provided by:
National Natural Science Foundation of China (81471828, 91651507)
National Key Research and Development Foundation of China (2017YFC0803501)
The Forensic Genetic Key Lab of Ministry of Public Security (2017FGKFKT06)
Beijing Leading Talent Program (Z18110006318006)
The National Thousand Yong Talents Award
The Basal Research Foundation of Institute of Forensic Science of Ministry of Public Security (2017JB025)
Received: 27 November 2018
Accepted: 5 March 2019
First Online: 12 April 2019
Compliance with ethical standards
: The study was approved by the ethics committee of Institute of Forensic Science, Ministry of Public Security, China. All participants provided written informed consent.
: The authors declare that they have no conflicts of interest.