1. Community Health Centre Ljubljana-Vič , Šestova ulica 10, 1000 Ljubljana , Slovenia
2. Community Health Centre Ljubljana , Metelkova 9, 1000 Ljubljana , Slovenia
3. University of Ljubljana, Faculty of Medicine, Department of Family Medicine , Poljanski nasip 58, 1000 Ljubljana , Slovenia
4. University of Maribor, Faculty of Medicine, Department of Family Medicine , Taborska 8, 2000 Maribor , Slovenia