1. Department of Neurology, Shanghai Jiaotong University School of Medicine Affiliated Renji Hospital, Shanghai, China
2. Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
3. Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
4. Department of Cardiology, First Affiliated Hospital, Guangdong College of Pharmacy, Guangzhou, China
5. Headache Center, China National Clinical Research Center for Neurological Diseases, Beijing, China