1. Department of Neurology Third Affiliated Hospital of Sun Yat‐sen University Guangzhou China
2. Department of Neurology Zhongda Hospital of Southeast University Nanjing China
3. Department of Neurology Zhaoqing No. 2 People's Hospital Zhaoqing China
4. Clinical Data Center Third Affiliated Hospital of Sun Yat‐sen University Guangzhou China
5. Centre for Neuromuscular and Neurological Disorders, Department of Neurology, Sir Charles Gairdner Hospital, Queen Elizabeth II Medical Centre University of Western Australia Perth WA Australia
6. Institute of Immunology and Infectious Diseases Murdoch University Perth WA Australia