Institution: | 1. Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujin, Dongcheng District, Beijing 100730, China;2. Graduate School, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China;3. Department of Pathology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China |