Authors: Jakub Adamski; Brian Godman; Gabriella Ofierska-Sujkowska; Bogusława Osińska; Harald Herholz; Kamila Wendykowska; Ott Laius; Saira Jan; Catherine Sermet; Corrine Zara; Marija Kalaba; Roland Gustafsson; Kristina Garuolienè; Alan Haycox; Silvio Garattini; Lars L Gustafsson Journal: BMC Health Serv Res Date: 2010-06-07 Impact factor: 2.655