[1] Univ Oslo, Dept Geriatr Med, Oslo Univ Hosp Ullevaal, Inst Clin Med, Oslo, Norway
[2] Univ Oslo, Dept Informat, Oslo, Norway
[3] Univ Michigan, Div Cardiovasc Med, Ann Arbor, MI 48109 USA
[4] Univ Oslo, Dept Cardiol, Oslo Univ Hosp Ullevaal, Fac Med, Oslo, Norway
[5] Novartis Pharmaceut, E Hanover, NJ USA
[6] Univ Oxford, Nuffield Dept Clin Neurosci, John Radcliffe Hosp, Oxford, England
[7] Univ Milano Bicocca, St Gerardo Hosp, Monza, Italy
[8] Univ Milano Bicocca, Dept Cardiol, S Luca Hosp, Ist Auxol Italiano, Milan, Italy
[9] SUNY, Downstate Coll Med, Dept Cardiovasc Med, New York, NY USA
[10] Oslo Univ Hosp Ullevaal, Dept Internal Med, Oslo, Norway