[1] Bispebjerg & Frederiksberg Hosp, Dept Cardiol, Copenhagen, Denmark
[2] North Zealand Hosp, Dept Cardiol, Hillerod, Denmark
[3] Bispebjerg & Frederiksberg Hosp, Dept Endocrinol, Copenhagen, Denmark
[4] Inst Clin Med, Fac Hlth & Med Sci, Copenhagen, Denmark
[5] Herlev Gentofte Univ Hosp, Dept Cardiol, Copenhagen, Denmark
[6] Rigshosp, Dept Cardiol, Copenhagen Univ Hosp, Copenhagen, Denmark