1. Emergency Department Affiliated Hospital of Chengde Medical College Chengde China
2. Ultrasonography Department Affiliated Hospital of Chengde Medical College Chengde China
3. Clinical Laboratory Southern District of Affiliated Hospital of Chengde Medical College Chengde China
4. Radiology Department Affiliated Hospital of Chengde Medical College Chengde China
5. Hand and Foot Surgery Department Southern District of Affiliated Hospital of Chengde Medical College Chengde China