[1] University of Helsinki,
[2] Department of Medicine,undefined
[3] Division of Diabetes,undefined
[4] P.O. Box 340,undefined
[5] 00029 HUCH,undefined
[6] Helsinki,undefined
[7] Department of Medicine,undefined
[8] Division of Cardiology,undefined
[9] Helsinki University Central Hospital,undefined
[10] Helsinki,undefined
[11] Department of Medicine,undefined
[12] Division of Ophthalmology,undefined
[13] Helsinki University Central Hospital,undefined
[14] Helsinki,undefined