1. Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, College of Forensic Medicine, Hebei Medical University, Hebei, P.R. China
2. Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Hebei, P.R. China
3. Hainan Tropical Forensic Medicine Academician Workstation, Haikou, Hainan, P.R. China