1. Angela Boškin Faculty of Health Care , Spodnji Plavž 3 , Jesenice , Slovenia
2. National Institut of Public Health Slovenia , Trubarjeva 2 , Ljubljana , Slovenia
3. Leuven Institute for Healthcare Policy , University of Leuven , Kapucijnenvoer 35 blok d - bus 7001 , Leuven , Belgium
4. Faculty of Social Sciences , University of Ljubljana , Topniška ulica 31 , Ljubljana , Slovenia