Competing interests
ALF
ML: has no conflicts of interest related to this work.LM: has no conflicts of interest related to this work.AN: has received research grants from the Swedish Heart-Lung Foundation and honoraria for lectures and consulting from Astra Zeneca, Boehringer-Ingelheim, Novo Nordisk.PN: has no conflicts of interest related to this work.SS: has no conflicts of interest related to this work.PS: has no conflicts of interest related to this work.E. Ferrannini: has no conflicts of interest related to this work.LR: has received research grants from the Swedish Heart-Lung Foundation, Erling Perssons Foundation, Region Stockholm (ALF), Boehringer-Ingelheim and honoraria for lectures and consulting from Bayer, Boehringer-Ingelheim, Novo Nordisk.GF: has no conflicts of interest related to this work.