[1] Harvard Med Sch, Beth Israel Lahey Hlth, Mt Auburn Hosp, Med, Cambridge, MA USA
[2] Med Coll Wisconsin, Pulm & Crit Care, Wauwatosa, WI USA
[3] Boston Univ, Med Ctr, Hematol Oncol, Boston, MA USA
[4] Wright Ctr, Med, Scranton, PA USA
[5] Imperial Coll London, Surg & Canc, London, England
[6] Imperial Coll London, Imperial Vasc Unit, London, England
[7] Imperial Coll Healthcare NHS Trust, London, England
[8] Imperial Coll London, Natl Heart & Lung Inst, London, England
[9] Harvard Med Sch, Mt Auburn Hosp Cambridge, Dept Med, Cambridge, MA USA
[10] Brigham & Womens Hosp, Pulm & Crit Care Med, 75 Francis St, Boston, MA 02115 USA