Beijing Friendship Hospital, Capital Medical University, Beijing, Beijing, China
Beijing Friendship Hospital, Capital Medical University, Beijing, China
Beijing Friendship Hospital, Capital Medical University, Beijing, Beijing, China
Beijing Friendship Hospital, Beijing, Beijing, China
Beijing Friendship Hospital, Capital Medical University, Beijing, Beijing, China
The Second Affiliated Hospital of Baotou Medical Coll, Baotou, Inner Mongolia, China
Shandong Provincial Hospital, Jinan, Shandong, China
Beijing Friendship Hospital, Capital Medical University, Beijing, Beijing, China
Jiaozuo People's Hospital, Jiaozuo, China
The Second Hospital of Lanzhou University, Lanzhou, China
Yuncheng Central Hospital, Yuncheng, China