Affiliation: | (1) National Institute of Primary Health Care, 84-88 Jasz Str., 1135 Budapest, Hungary;(2) Research Centre for Social Studies, Hungarian Academy of Sciences, 30 Orszaghaz Str., 1014 Budapest, Hungary;(3) 2nd Department of Medicine, State Health Centre, 109-111 Podmaniczky Str., 1062 Budapest, Hungary |