Affiliation: | 1. Saitama International Headache Center, Saitama Neuropsychiatric Institute, Saitama, Japan;2. Department of Neurology, Shonan Keiiku Hospital, Kanagawa, Japan;3. Nowon Eulji Medical Center, Eulji University School of Medicine, Seoul, Korea;4. Headache Care Unit, Department of Internal Medicine, Fujitsu Clinic, Kanagawa, Japan;5. Headache Center, Department of Neurology, Dokkyo Medical University, Tochigi, Japan;6. Headache Center, Department of Neurology, Tominaga Hospital, Osaka, Japan;7. Specialty Clinical Development, Teva Branded Pharmaceutical Products R&D, Inc., West Chester, PA, USA;8. Headquarters of Clinical Development, Otsuka Pharmaceutical Co., Ltd., Osaka, Japan;9. Medical Affairs, Otsuka Pharmaceutical Co., Ltd., Tokyo, Japan;10. Medical Affairs, Otsuka Pharmaceutical Co., Ltd., Tokushima, Japan |