[1] Inst Pharmacol & Prevent Med, Bahnhofstr 20, D-49661 Cloppenburg, Germany
[2] Univ Ulm, ZIBMT, Inst Epidemiol & Med Biometry, Ulm, Germany
[3] German Ctr Diabet Res DZD, Munich, Germany
[4] Specialized Diabet Practice Dres Hess, Worms, Germany
[5] SRH Clin Sigmaringen, Med Clin, Pfullendorf, Germany
[6] Specialized Diabet Practice Viersen, Viersen, Germany
[7] Protestant Hosp, Oberhausen, Germany
[8] Med Sch Brandenburg MHB, DAZB German Angiol Ctr Brandenburg Berlin, Brandenburg, Germany
[9] Fac Hlth Sci FGW, Brandenburg, Germany
[10] European Fdn Vasc Med EFVM, Brandenburg Havel, Germany
[11] Kinderkrankenhaus Bult, Diabet Ctr Children & Adolescents, Hannover, Germany
[12] Univ Freiburg, Fac Med, Med Ctr, Dept Med 2,Div Endocrinol & Diabetol, Freiburg, Germany