Towards a stakeholders' consensus on patient payment policy : the views of health-care consumers, providers, insurers and policy makers in six Central and Eastern European countries / Tambor Marzena , Pavlova Milena, Golinowska Stanisława , Sowada Christoph , Groot Wim // Health Expectations. - 2015 vol. 18 no. 4, p. 475-488. - ISSN 1369-6513. - eISSN 1369-7625