Authors: Paul Van Royen; Martin Beyer; Patrick Chevallier; Sophia Eilat-Tsanani; Christos Lionis; Lieve Peremans; Davorina Petek; Imre Rurik; Jean Karl Soler; Henri E J H Stoffers; Pinar Topsever; Mehmet Ungan; Eva Hummers-Pradier Journal: Eur J Gen Pract Date: 2010-06 Impact factor: 1.904