1. Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
2. School of Medicine, Chung Shan Medical University, Taichung City, Taiwan
3. Division of Nephrology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
4. Department of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan