[1] UMASS Chan Med Sch Baystate, Dept Med, Pulm & Crit Care Div, Springfield, MA 01107 USA
[2] Baystate Med Ctr, Heart & Vasc Res, Springfield, MA, Brazil
[3] Univ Illinois, Dept Biomed & Hlth Informat Sci, Coll Appl Hlth Sci, Chicago, IL USA
[4] Edward Hines Jr VA Hosp, Ctr Innovat Complex Chron Healthcare CINCCH, Hines, IL 60141 USA
[5] Baystate Med Ctr, Springfield, MA USA
[6] Tufts Univ, Div Pulm Crit Care & Sleep Med, Sch Med, Boston, MA USA