1 Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.
2 School of Public Health, Faculty of Medicine, Imperial College London, London W6 8RP, UK.
3 Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing 100191, China.
4 Peking University Center for Human Disease Genomics, Beijing 100191, China.
5 Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.