INS and diabetes mellitus: We will measure HOMA-IR determined from fasting insulin levels using an anti-body kit (AutoDELFIA Insulin kit; Wallac Oy), fasting blood glucose determined in fluorinated plasma with the UV test using hexokinase (Cobas c501, Roche Diagnostics); self-reported perceived hypoglycemia determined using a self-constructed questionnaire; and diabetes medication use assessed from the participants medication overview and described as type (ATC code), timing and dosage).