Authors: Annelise Roennow; Maureen Sauvé; Joep Welling; Robert J Riggs; Ann Tyrrell Kennedy; Ilaria Galetti; Edith Brown; Catarina Leite; Alex Gonzalez; Alexandra Paula Portales Guiraud; François Houÿez; Rob Camp; Annie Gilbert; Martina Gahlemann; Lizette Moros; Jose Luis Luna Flores; Friedrich Schmidt; Wiebke Sauter; Henrik Finnern Journal: BMJ Open Date: 2020-12-16 Impact factor: 2.692