Blood 25-hydroxyvitamin D levels and overall mortality in patients with colorectal cancer: a dose-response meta-analysis

Affiliations

• ¹ Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China; Department of Internal Medicine, Maternal and Child Health Hospital of Weifang, Weifang 261011, China. Electronic address: robin.wangqy@gmail.com.
• ² Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China.
• ³ Department of General Surgery, Maternal and Child Health Hospital of Weifang, Weifang 261011, China.
• ⁴ Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China. Electronic address: nlwang@126.com.