[1] Karolinska Inst, Dept Med, Unit Cardiol, K2 Med, K2 Kardio Pernow J, S-17177 Stockholm, Sweden
[2] Karolinska Univ Hosp, Karolinska Univ Sjukhuset Solna, Heart & Vasc Ctr, Dept Cardiol, Norrbacka S1:02, S-17176 Stockholm, Sweden
[3] Karolinska Inst, Dept Neurobiol, Div Nursing, Neurobiol H1, H1 Omvardnad Omv Enhet 3, S-17177 Stockholm, Sweden