[1] Univ Maribor, Fac Med, Dept Family Med, SLO-2000 Maribor, Slovenia
[2] Univ Ljubljana Fac Med, Dept Family Med, Ljubljana, Slovenia
[3] Med Univ Wroclaw, Dept Family Med, Wroclaw, Poland
[4] Publ Higher Med Profess Sch Opole, Opole, Poland
[5] Agia Barbara Hlth Care Ctr, Iraklion, Crete, Greece
[6] Univ Crete, Fac Med, Clin Social & Family Med, Iraklion, Greece
[7] Lund Univ, EGPRN European Gen Practice Res Network, Malmo, Sweden
[8] Lund Univ, Ctr Primary Hlth Care Res, Dept Clin Sci Malmo, Malmo, Sweden
[9] SNAMID Natl Soc Med Educ Gen Practice, Prata Sannita, Italy
[10] Univ Grenoble 1, Fac Med, Dept Gen Practice, Grenoble, France
[11] Inst Rural Hlth, La Coruna, Spain