Authors: Sigvard Mölstad; Sonja Löfmark; Karin Carlin; Mats Erntell; Olov Aspevall; Lars Blad; Håkan Hanberger; Katarina Hedin; Jenny Hellman; Christer Norman; Gunilla Skoog; Cecilia Stålsby-Lundborg; Karin Tegmark Wisell; Christina Åhrén; Otto Cars Journal: Bull World Health Organ Date: 2017-10-03 Impact factor: 9.408