1. Peking University People's Hospital; Beijing China
2. Xinhua Hospital Affiliated to Shanghai Jiaotong University; Shanghai China
3. Tongji University Oriental Hospital; Shanghai China
4. The First Hospital of China Medical University; Liaoning China
5. Huashan Hospital Affiliated to Fudan University; Shanghai China
6. Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
7. Nan Fang Hospital; Guangdong China
8. The First Affiliated Hospital of Nanjing Medical University (Jiangsu Province People's Hospital); Jiangsu China
9. Zhejiang Province People's Hospital; Zhejiang China