1. Department of Neurology, National Key Clinical Department and Key Discipline of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
2. Department of Neurology, Guangzhou Overseas Chinese Hospital, Guangzhou, Guangdong, China
3. Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
4. Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China