[1] Gentofte Univ Hosp, Dept Cardiol, Copenhagen, Denmark
[2] Gentofte Univ Hosp, Dept Pulmonol, Copenhagen, Denmark
[3] Bispebjerg Hosp, Copenhagen City Heart Study, Copenhagen, Denmark
[4] Copenhagen Univ Hosp, Rigshosp, Copenhagen, Denmark
[5] Steno Diabet Ctr Copenhagen, Copenhagen, Denmark
[6] Hvidovre Univ Hosp, Dept Pulmonol, Copenhagen, Denmark