1. Community Health Centre Ljubljana, Metelkova 9, Ljubljana, Slovenia
2. Department of Family Medicine, Faculty of Medicine, University of Maribor, Taborska 8, Maribor, Slovenia
3. Department of Family Medicine, Faculty of Medicine, University of Ljubljana, Poljanski nasip 58, Ljubljana, Slovenia
4. Osnovno zdravstvo Gorenjske, Gosposvetska 9, Kranj, Slovenia