1. Department of Neurology, University of California–San Francisco, San Francisco, California.
2. Department of Physiology, Hallym University, College of Medicine, Chuncheon, Korea.
3. Departments of Anesthesiology, Sanggye Paik Hospital, Inje University, School of Medicine, Seoul, Korea.
4. Department of Nursing, Inha University, Chuncheon, Korea.
5. Department of Neurology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, PR China.