1. Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
2. Xiangya Hospital, Central South University, Changsha, China
3. Qinghai Provincial People's Hospital, Xining, China
4. First Hospital of China Medical University, Shenyang, China
5. First Hospital of ChinaMedical University, Shenyang, China
6. Institute of Basic Medicine Sciences, Chinese Academy of Medical Sciences, Beijing, China