[1] Univ Glasgow, BHF Cardiovasc Res Ctr, Glasgow, Lanark, Scotland
[2] Univ Glasgow, Dept Publ Hlth & Policy, Glasgow, Lanark, Scotland
[3] Mario Negri Inst Pharmacol Res, Milan, Italy
[4] Assoc Nazl Med Cardiol Osped, Florence, Italy
[5] Univ Michigan, Sch Med, Ann Arbor, MI USA
[6] Brigham & Womens Hosp, Boston, MA 02115 USA