1. Peking Union Medical College Hospital; Beijing China
2. Huashan Hospital Affiliated to Fudan University; Shanghai China
3. No 2 Hospital affiliated to Guangzhou Medical University; Guangzhou City China
4. Department of Neurology; West China Hospital of Sichuan University; Chengdu China
5. Department of Neurology; First Affiliated Hospital; Fujian Medical University; Fuzhou China
6. Shanghai Changzhen Hospital; Shanghai China
7. Xijing Hospital; Shaanxi China
8. Huilongguan Hospital; Beijing China
9. Novartis Pharma AG; Basel Switzerland