Prognostic role of vitamin D receptor in digestive system tumours: A systematic review and preliminary meta-analysis

• Miaomiao Zhao ,

  Contributed equally to this work with: Miaomiao Zhao, Zhenhua Liu

  Roles Data curation, Formal analysis, Software

  Affiliation Department of Ultrasound, The Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng, Yancheng, Jiangsu Province, China

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• Zhenhua Liu ,

  Contributed equally to this work with: Miaomiao Zhao, Zhenhua Liu

  Roles Conceptualization, Formal analysis, Software, Validation, Writing – original draft

  Affiliation Department of Radiotherapy, The Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng, Yancheng, Jiangsu Province, China

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• Hongtai Shi ,

  Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

  * E-mail: shiscar@njmu.edu.cn (HS); Sjx203252@163.com (JS)

  Affiliation Department of Radiation Oncology, The Sixth Affiliated Hospital of Nantong University, Yancheng Third People’s Hospital, Yancheng, Jiangsu Province, China

  https://orcid.org/0000-0002-0082-4451

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• Jianxiang Song

  Roles Conceptualization, Writing – review & editing

  * E-mail: shiscar@njmu.edu.cn (HS); Sjx203252@163.com (JS)

  Affiliation Department of Cardiothoracic Surgery, The Sixth Affiliated Hospital of Nantong University, Yancheng Third People’s Hospital, Yancheng, Jiangsu Province, China

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