Authors: Sophie L van Veldhuisen; Kim Kuppens; Christel A L de Raaff; Marinus J Wiezer; Steve M M de Castro; Ruben N van Veen; Dingeman J Swank; Ahmet Demirkiran; Evert-Jan G Boerma; Jan-Willem M Greve; Francois M H van Dielen; Geert W J Frederix; Eric J Hazebroek Journal: BMJ Open Date: 2020-10-07 Impact factor: 2.692