1. Center for Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.
2. State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.
3. Department of Clinical Laboratory Center, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases Beijing, Beijing, China.