[1] Eastern Virginia Med Sch, Dept Med, Div Pulm & Crit Care Med, Norfolk, VA 23501 USA
[2] Univ Tennessee, Ctr Hlth Sci, Dept Med, Div Pulm Crit Care & Sleep Med, Memphis, TN 38163 USA
[3] Memphis Vet Affairs Med Ctr, Memphis, TN USA
[4] Univ Fed Rio de Janeiro, Carlos Chagas Filho Biophys Inst, Lab Pulm Invest, Rio De Janeiro, Brazil
[5] Univ Versailles SQY UniverSud Paris, Gen Intens Care Unit, Garches, France