1. Department of Neurology, Huai’an Second People’s Hospital, The Affiliated Huai’an Hospital of Xuzhou Medical University, Huai’an, China
2. Department of Neurology, Hongze Huai'an District People's Hospital, Huai’an, China
3. Department of Perinatology, Huai’an Women and Children’s Hospital, Huai’an, China
4. Department of Stomatology, Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, China
5. Department of Neurology, Huai’an First People’s Hospital, Nanjing Medical University, Huai’an, China