Pamela Danielle T. Lanuza¹, Jao Jarro B. Garcia¹, Christian Wilson R. Turalde^2,3, Mario Jr. B. Prado^2,4 (1.Division of Adult Neurology, Department of Neurosciences, College of Medicine and Philippine General Hospital, University of the Philippines Manila, Philippines, 2.Department of Physiology, College of Medicine, University of the Philippines Manila, Philippines, 3.National Teacher Training Center for the Health Professions, University of the Philippines Manila, Philippines, 4.Department of Epidemiology and Biostatistics, College of Public Health, University of the Philippines Manila, Philippines)

Jao Jarro B. Garcia, Paul Matthew D. Pasco (University of the Philippines - Philippine General Hospital, Philippines)

Kodai Kunisada¹, Emiko Horiuchi³, Nobuhiro Tsukada¹, Kenshi Suzuki^1,2, Kojiro Yoshii³, Hideo Yoshida⁴, Kazuo Nakamichi⁵, Yoshiharu Miura⁶, Tadao Ishida^1,2 (1.department of hematology Japanese Red Cross Medical Center, Japan, 2.Myeloma Amyloidosis Center Japanese Red Cross Medical Center, Japan, 3.department of Neurology Japanese Red Cross Medical Center, Japan, 4.department of Gastroenterology Japanese Red Cross Medical Center, Japan, 5.Virus Division I, National Institute of Infectious Diseases, Japan, 6.department of Neurology Cancer and infectious Diseases Center Komagome Hospital, Japan)

Daisuke Kodama^1,3, Masakazu Tanaka¹, Toshio Matsuzaki^2,3, Satoshi Nozuma³, Eiji Matsuura³, Hiroshi Takashima³, Shuji Izumo¹, Ryuji Kubota¹ (1.Joint Research Center for Human Retrovirus Infection, Kagoshima University, Division of Neuroimmunology, Japan, 2.Medical Corporation Sanshukai Ohkatsu Hospital, Department of neurology, Japan, 3.Kagoshima University Graduate School of Medical and Dental Sciences, Department of Neurology and Geriatrics, Japan)