Authors: Saskia van Vugt; Lidewij Broekhuizen; Nicolaas Zuithoff; Christopher Butler; Kerenza Hood; Samuel Coenen; Herman Goossens; Paul Little; Jordi Almirall; Francesco Blasi; Slawomir Chlabicz; Mel Davies; Maciek Godycki-Cwirko; Helena Hupkova; Janko Kersnik; Michael Moore; Tom Schaberg; An De Sutter; Antoni Torres; Theo Verheij Journal: Ann Fam Med Date: 2012 Nov-Dec Impact factor: 5.166