1. Department of Orthopaedic SurgeryJohns Hopkins University School of Medicine, Baltimore, Maryland, USA
2. Stomatological College, Fourth Military Medical University, Xi'an, People's Republic of China
3. Shihezi Medical Collage, Shihezi Univeristy, Xinjiang, People's Republic of China
4. Department of Biomedical EngineeringJohns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
6. Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
7. Division of Endocrinology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA