[1] Johns Hopkins Univ, Ciccarone Ctr Prevent Cardiovasc Dis, Dept Med, Sch Med, Baltimore, MD 21205 USA
[2] MedStar Georgetown Univ Hosp, Dept Gastroenterol, Div Gastroenterol, Washington, DC USA
[3] Columbia Univ, Dept Med, Div Cardiol, Irving Med Ctr, New York, NY USA
[4] Hlth Serv Execut West, Dept Publ Hlth, Galway, Ireland
[5] Johns Hopkins Univ, Div Hosp Med, Dept Med, Sch Med, Baltimore, MD USA
[6] Johns Hopkins Univ, Sherrilyn & Ken Fisher Ctr Environm Infect Dis, Dept Med, Sch Med, Baltimore, MD USA
[7] Johns Hopkins Bloomberg Sch Publ Hlth, G Dept Environm Hlth & Engn, Baltimore, MD USA
[8] Natl Univ Ireland Galway, Natl Inst Prevent & Cardiovasc Hlth, Galway, Ireland