1. Department of Anesthesiology; State Key Laboratory of Cardiovascular Disease; Fuwai Hospital; National Center for Cardiovascular Diseases; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing; China
2. Department of Cardiopulmonary Bypass; State Key Laboratory of Cardiovascular Disease; Fuwai Hospital; National Center for Cardiovascular Diseases; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing; China
3. Department of Surgery; State Key Laboratory of Cardiovascular Disease; Fuwai Hospital; National Center for Cardiovascular Diseases; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing; China