[1] Univ Helsinki, Cent Hosp, Dept Med, Minerva Inst Med Res, Helsinki, Finland
[2] Boehringer Ingelheim Finland Ky, Helsinki, Finland
[3] Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
[4] InVentivHlth Clin, Maidenhead, Berks, England
[5] Boehringer Ingelheim Pharma GmbH & Co KG, Ingelheim, Germany