1. No. 1 School of Clinical Medicine, Kunming Medical University, Kunming, Yunnan 650032, P.R. China
2. School of Forensic Medicine, Kunming Medical University, Kunming, Yunnan 650118, P.R. China
3. First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China
4. The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China