Anemia is associated with the risk of Crohn’s disease, not ulcerative colitis: A nationwide population-based cohort study

• Eun Ae Kang ,

  Contributed equally to this work with: Eun Ae Kang, Jaeyoung Chun

  Roles Conceptualization, Resources, Writing – original draft

  Affiliations Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea, Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, South Korea

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• Jaeyoung Chun ,

  Contributed equally to this work with: Eun Ae Kang, Jaeyoung Chun

  Roles Conceptualization, Visualization, Writing – review & editing

  Affiliation Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

  http://orcid.org/0000-0002-4212-0380

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• Jong Pil Im ,

  Roles Conceptualization, Writing – review & editing

  * E-mail: jpim0911@snu.ac.kr

  Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea

  http://orcid.org/0000-0003-1584-0160

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• Hyun Jung Lee,

  Roles Investigation

  Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea

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• Kyungdo Han,

  Roles Data curation, Formal analysis, Resources

  Affiliation Department of Statistics and Actuarial Science, Soongsil University, Seoul, South Korea

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• Hosim Soh,

  Roles Validation

  Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea

  http://orcid.org/0000-0001-5107-6521

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• Seona Park,

  Roles Validation

  Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea

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• Joo Sung Kim

  Roles Supervision

  Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea

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