1. Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
2. International Health Management Associates, Inc., Schaumburg, Illinois 60173-3817, USA
3. People’s Hospital of Peking University, Beijing 100044, China
4. Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, China
5. Sir RunRun Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
6. Zhong Shan Hospital of Fu Dan University, Shanghai 200032, China
7. Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
8. First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
9. Shandong Provincial Hospital, Jinan 250021, China
10. Xiangya Hospital, Central Southern University, Changsha 410008, China
11. First Affiliated Hospital of Zhengzhou University, Zhenzhou 450052, China
12. First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, China
13. General Hospital of PLA, Beijing 100853, China
14. General Hospital of Tianjin Medical University, Tianjing 300052, China
15. First Affiliated Hospital of Chinese Medical University, Shenyang 110001, China
16. First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
17. Chaoyang Hospital of Capital Medical College, Beijing 100020, China
18. Friendship Hospital of Capital Medical College, Beijing 100020, China
19. Second Affiliated Hospital of Nanchang University, Nanchang 330006, China
20. People’s Hospital of Jilin Province, Jilin 130021, China
21. People’s Hospital of Haikou City, Haikou 570208, China
22. General Hospital of Nanjing Military Command, Nanjing 210002, China
23. First Affiliated Hospital of Zhejiang University, Hangzhou 310003, China
24. Beijing Hospital, Beijing 100730, China
25. Guangzhou First Municipal People’s Hospital, Guangzhou 510180, China