[1] Cyprus Univ Technol, Dept Nursing, Limassol, Cyprus
[2] Zealand Univ Hosp, Dept Cardiol, Koge, Denmark
[3] Univ Southern Denmark, Dept Reg Hlth Res, Odense, Denmark
[4] Amsterdam UMC, Dept Epidemiol & Biostat, Amsterdam, Netherlands
[5] Amsterdam Publ Hlth Res Inst, Amsterdam, Netherlands