1. West China Hospital, Sichuan University; Department of Neurosurgery; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
2. Royal Free Campus, UCL Medical School; Department of Surgery; Royal Free Hospital, Pond Street London UK NW3 2QG
3. West China Hospital, Sichuan University; Department of Endocrinology; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
4. West China Hospital, Sichuan University; Books & Information Centre; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041