[1] Univ Copenhagen, Fac Hlth & Med Sci, Dept Biomed Sci, Copenhagen, Denmark
[2] Univ Adelaide, Royal Adelaide Hosp, South Australian Hlth, Ctr Heart Rhythm Disorders, Adelaide, SA, Australia
[3] Univ Adelaide, Royal Adelaide Hosp, Med Res Inst, Adelaide, SA, Australia
[4] Maastricht Univ, Dept Cardiol, Med Ctr, Maastricht, Netherlands