1. Department of Forensic Medicine, Hebei North University, Zhangjiakou, People’s Republic of China
2. Department of Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, People’s Republic of China
3. Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada
4. Department of Life Science Research Center, Hebei North University, Zhangjiakou, People’s Republic of China