[1] KTH Royal Inst Technol, Sci Life Lab, S-17165 Stockholm, Sweden
[2] Chalmers Univ Technol, Dept Biol & Biol Engn, S-41260 Gothenburg, Sweden
[3] Univ Eastern Finland, Inst Clin Med, Internal Med, Kuopio 70210, Finland
[4] Kuopio Univ Hosp, SF-70210 Kuopio, Finland
[5] Univ Cambridge, MRC, Epidemiol Unit, Cambridge CB2 0QQ, England
[6] Univ Gothenburg, Dept Mol & Clin Med, S-41345 Gothenburg, Sweden
[7] Sahlgrens Univ Hosp, S-41345 Gothenburg, Sweden
[8] Univ Leipzig, Dept Med, D-04103 Leipzig, Germany
[9] CNR, Inst Clin Physiol, I-56126 Pisa, Italy
[10] Folkhalsan Res Ctr, Biomedicum, Folkhalsan Inst Genet, Helsinki 00290, Finland
[11] Univ Helsinki, Abdominal Ctr Nephrol, Helsinki 00029, Finland
[12] Helsinki Univ Hosp, Helsinki 00029, Finland
[13] Baker IDI Heart & Diabet Inst, Melbourne, Vic 3004, Australia