[1]Beijing Union Med Coll Hosp, Beijing, Peoples R China;
[2]Capital Med Univ, Beijing Friendship Hosp, Beijing, Peoples R China;
[3]Tianjin Hosp, Tianjin, Peoples R China;
[4]Fudan Univ, Huadong Hosp, Shanghai, Peoples R China;
[5]Nanjing Univ, Sch Med, Nangjing Drum Tower Hosp, Nanjing, Jiangsu, Peoples R China;
[6]Chengdu Mil Cent Hosp, Chengdu, Sichuan, Peoples R China;
[7]Shanghai Sixth People Hosp, Shanghai, Peoples R China;
[8]Chugai Pharmaceut Co Ltd, Tokyo, Japan;
[9]Okushima Univ, Fujii Mem Inst Med Sci, Tokushima, Japan