Exploring Interaction between Genetically Predicted Body Mass Index and Serum 25-Hydroxyvitamin D Levels on the Odds for Psoriasis in UK Biobank and the HUNT Study: A Factorial Mendelian Randomization Study

Marita Jenssen, Nikhil Arora, Mari Løset, Bjørn Olav Åsvold, Laurent Thomas, Ole-Jørgen Bekkevold Vassmyr, Xiao-Mei Mai, Yi-Qian Sun, Anne-Sofie Furberg, Rolf Jorde, Tom Wilsgaard, Kjersti Danielsen, Ben Michael Brumpton