[1] Oslo Univ Hosp, Rikshosp, Dept Cardiol, ProCardio Ctr Innovat, Oslo, Norway
[2] Oslo Univ Hosp, Rikshosp, Div Radiol & Nucl Med, Oslo, Norway
[3] Oslo Univ Hosp, Rikshosp, Intervent Ctr, Oslo, Norway
[4] Univ Oslo, Inst Clin Med, Oslo, Norway
[5] Vestre Viken Hosp Trust, Drammen Hosp, Dept Med, Drammen, Norway