1. Department of Orthopedics, Dongguan Hospital of Traditional Chinese Medicine, Dongguan, Guangdong, China (mainland)
2. Department of Orthopedics, Zengcheng Branch of South Hospital of Southern Medical University, Guangzhou, Guangdong, China (mainland)
3. Clinical Medical College of Southwest Medical University, Luzhou, Sichuan, China (mainland)
4. Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China (mainland)