1. West China Medical School, West China Hospital, Sichuan University; Department of Hematology; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
2. West China Hospital, Sichuan University; Department of Hematology; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
3. West China Hospital, Sichuan University; Chinese Cochrane Centre; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
4. West China Hospital, Sichuan University; Department of Urology; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041