Insomnia and caregiver burden in chronic pain patients: A cross-sectional clinical study

• Masahiro Yamaguchi ,

  Roles Conceptualization, Data curation

  * E-mail: yamaguchi2711@outlook.jp

  Affiliations Department of Pain Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, Medical Affairs, Pfizer Japan, Shibuya-ku, Tokyo, Japan

  http://orcid.org/0000-0001-9855-6602

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• Keiko Yamada,

  Roles Methodology, Writing – review & editing

  Affiliations Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan, Department of Psychology, McGill University, Montreal, Quebec, Canada

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• Masako Iseki,

  Roles Funding acquisition, Project administration

  Affiliations Department of Pain Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Yusuke Karasawa,

  Roles Formal analysis

  Affiliations Department of Pain Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, Medical Affairs, Pfizer Japan, Shibuya-ku, Tokyo, Japan

  http://orcid.org/0000-0002-8086-1366

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• Yasuko Murakami,

  Roles Investigation

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Tatsuya Enomoto,

  Roles Software

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Nobuko Kikuchi,

  Roles Writing – original draft

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Satoko Chiba,

  Roles Resources

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Atsuko Hara,

  Roles Visualization

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Keisuke Yamaguchi,

  Roles Validation

  Affiliation Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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• Eiichi Inada

  Roles Supervision

  Affiliations Department of Pain Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan

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