1. Graduate School, Beijing University of Chinese Medicine, Beijing, People’s Republic of China
2. Department of Emergency, Inner Mongolia People’s Hospital, Hohhot, People’s Republic of China
3. Human Anatomy Teaching and Research Section (Digital Medical Center), Inner Mongolia Medical University Basic Medical College, Hohhot, People’s Republic of China
4. Department of Hematology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, People’s Republic of China
5. Department of Spine Surgery, China–Japan Friendship Hospital, Beijing, People’s Republic of China