Authors: Kristian Kragholm; Mads Wissenberg; Rikke N Mortensen; Steen M Hansen; Carolina Malta Hansen; Kristinn Thorsteinsson; Shahzleen Rajan; Freddy Lippert; Fredrik Folke; Gunnar Gislason; Lars Køber; Kirsten Fonager; Svend E Jensen; Thomas A Gerds; Christian Torp-Pedersen; Bodil S Rasmussen Journal: N Engl J Med Date: 2017-05-04 Impact factor: 91.245