1. State Key Laboratory of Military Stomatology, Department of Oral Anatomy and Physiology, School of Stomatology, the Fourth Military Medical University, Xi’an, Shaanxi, China
2. Department of Stomatology, Chinese PLA General Hospital, Beijing, China
3. Department of Cardiac Surgery, Air Force General Hospital, PLA, Beijing, China
4. Endocrine Research Unit, Department of Veterans Affairs Medical Center, Department of Medicine, University of California, San Francisco, CA, USA
5. Department of Biochemistry, Rush University Medical Center, Chicago, IL, USA