1. College of Biomedical Engineering and Sichuan University, Chengdu, People's Republic of China.
2. National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, People's Republic of China.
3. Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China.
4. Reproductive Medicine Center, Gansu Provincial Maternity and Child-Care Hospital, Lanzhou, People's Republic of China.
5. Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China.
6. The First Hospital of Lanzhou University, Lanzhou, People's Republic of China.
7. Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, People's Republic of China.
8. Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu, People's Republic of China.
9. Department of Bioengineering, Chemical and Biomolecular Engineering, Rice University, Houston, Texas, USA.