1. Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
2. Living Water Neurological Clinic, Tainan, Taiwan
3. Neurological Institute, Taipei-Veterans General Hospital, Taipei, Taiwan
4. Brain Research Center and School of Medicine, National Yang-Ming University, Taipei, Taiwan
5. Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA