Associations of hypoglycemia, glycemic variability and risk of cardiac arrhythmias in insulin-treated patients with type 2 diabetes: a prospective, observational study oleh Andreas Andersen, Jonatan I. Bagger, Samuel K. Sørensen, Maria P. A. Baldassarre, Ulrik Pedersen-Bjergaard, Julie L. Forman, Gunnar Gislason, Tommi B. Lindhardt, Filip K. Knop, Tina Vilsbøll