1. Department of Emergency Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania.
2. Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xian, P.R. China.
3. Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xian, P.R. China.
4. Center for Translational Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania.
5. Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xian, P.R. China.
6. Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, Xian, P.R. China.