About the Authors
- Koji Iihara
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* E-mail: kiihara@ns.med.kyushu-u.ac.jp
Affiliation Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Kunihiro Nishimura
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Affiliation Department of Preventive Medicine and Epidemiologic Informatics, National Cerebral and Cardiovascular Center, Suita, Japan
- Akiko Kada
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Affiliation Clinical Research Center, National Hospital Organization, Nagoya Medical Center, Nagoya, Japan
- Jyoji Nakagawara
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Affiliation Integrative Stroke Imaging Center, National Cerebral and Cardiovascular Center, Suita, Japan
- Kuniaki Ogasawara
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Affiliation Department of Neurosurgery, Iwate Medical University, Morioka, Japan
- Junichi Ono
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Affiliation Chiba Cardiovascular Center, Ichihara, Japan
- Yoshiaki Shiokawa
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Affiliation Department of Neurosurgery, Kyorin University, Mitaka, Japan
- Toru Aruga
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Affiliation Showa University Hospital, Tokyo, Japan
- Shigeru Miyachi
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Affiliation Department of Neurosurgery, Nagoya University, Nagoya, Japan
- Izumi Nagata
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Affiliation Department of Neurosurgery, Nagasaki University, Nagasaki, Japan
- Kazunori Toyoda
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Affiliation Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
- Shinya Matsuda
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Affiliation Department of Preventive Medicine and Community Health, University of Occupational and Environmental Health, Kita-Kyushu, Japan
- Yoshihiro Miyamoto
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Affiliation Department of Preventive Medicine and Epidemiologic Informatics, National Cerebral and Cardiovascular Center, Suita, Japan
- Akifumi Suzuki
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Affiliation Research Institute for Brain and Blood Vessels, Akita, Japan
- Koichi B. Ishikawa
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Affiliation Center for Cancer Control and Information Services, National Cancer Center, Tokyo, Japan
- Hiroharu Kataoka
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Affiliation Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan
- Fumiaki Nakamura
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Affiliation Department of Public Health, The University of Tokyo, Tokyo, Japan
- Satoru Kamitani
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Affiliation Department of Public Health, The University of Tokyo, Tokyo, Japan
Competing Interests
Ube Industries, Ltd., Central Hospital participated in this study by providing survey data. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.
Author Contributions
Conceived and designed the experiments: KI KN AK. Analyzed the data: KI KN AK. Wrote the paper: KI KN AK. Collection of data: JN KO JO YS TA S. Miyachi IN KT S. Matsuda YM AS KBI HK FN SK.