1. Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
2. Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
3. Department of Cardiology, Shenyang Fourth People's Hospital, China Medical University, Shenyang, Liaoning, China
4. Department of Orthopedic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China