[1] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, NL-3508 AB Utrecht, Netherlands
[2] Univ Antwerp, Antwerp, Belgium
[3] Ctr Sundhed Samfund, Res Unit Gen Practice Copenhagen, DK-1014 Copenhagen K, Denmark
[4] Univ Lille 2 Law & Healthcare, Dept Gen Med, Fac Med Henri Warembourg, F-59045 Lille, France
[5] Univ Crete, Clin Social & Family Med, Sch Med, Iraklion, Crete, Greece
[6] Univ Debrecen, Dept Family Med, H-4012 Debrecen, Hungary
[7] Technion Israel Inst Technol, Bruce Rappaport Fac Med, Dept Family Hlth Care, IL-31096 Haifa, Israel
[8] Oslo Univ Hosp, Oslo Diabet Res Ctr, N-0514 Oslo, Norway
[9] Inst Catala de la Salut, St Marti Provencals Primary Hlth Care Ctr, Catalonian Hlth Serv, Spain
[10] Univ Autonoma Barcelona, Dept Internal Med, Barcelona 08020, Spain
[11] Acibadem Univ, Sch Med, Dept Family Med, Istanbul, Turkey
[12] VP Komisarenko Inst Endocrinol & Metab, Epidemiol Diabet Mellitus Lab, UA-04114 Kiev, Ukraine
[13] Univ Leicester, Dept Hlth Sci, Leicester LE1 6TP, Leics, England
[14] Clalit Hlth Serv, Qual Improvement Dept, Div Med, Community Sect, IL-62098 Tel Aviv, Israel