Efficacy of vitamin D3 supplementation on cancer mortality: Systematic review and individual patient data meta-analysis of randomised controlled trials

Sabine Kuznia, Anna Zhu, Taisuke Akutsu, Julie E. Buring, Carlos A. Camargo, Nancy R. Cook, Li‐Ju Chen, Ting‐Yuan David Cheng, Sari Hantunen, I‐Min Lee, JoAnn E. Manson, Rachel Ε. Neale, Robert Scragg, Aladdin H. Shadyab, Sha Sha, John Sluyter, Tomi‐Pekka Tuomainen, Mitsuyoshi Urashima, Jyrki K. Virtanen, Ari Voutilainen, Jean Wactawski‐Wende, Mary Waterhouse, Hermann Brenner, Ben Schöttker