A comprehensive re-assessment of the association between vitamin D and cancer susceptibility using Mendelian randomization oleh Jue-Sheng Ong, Suzanne C. Dixon-Suen, Xikun Han, Jiyuan An, Esophageal Cancer Consortium, 23 and Me Research Team, Upekha Liyanage, Jean-Cluade Dusingize, Johannes Schumacher, Ines Gockel, Anne Böhmer, Janusz Jankowski, Claire Palles, Tracy O’Mara, Amanda Spurdle, Matthew H. Law, Mark M. Iles, Paul Pharoah, Andrew Berchuck, Wei Zheng, Aaron P. Thrift, Catherine Olsen, Rachel E. Neale, Puya Gharahkhani, Penelope M. Webb, Stuart MacGregor