[1] Ctr Access & Delivery Res & Evaluat CADRE, Iowa City Vet Affairs Healthcare Syst, Iowa City, IA USA
[2] Univ Iowa, Carver Coll Med, Div Infect Dis, Iowa City, IA USA
[3] Ctr Innovat Qual Effectiveness & Safety, Michael E DeBakey Vet Affairs Med Ctr, Houston, TX USA
[4] Baylor Coll Med, Houston, TX USA
[5] Yale Sch Med, Dept Anesthesiol, New Haven, CT USA
[6] Yale Sch Publ Hlth, Dept Environm Hlth Sci, New Haven, CT USA
[7] Yale Sch Med, Dept Anesthesiol, 333 Cedar St,TMP3, New Haven, CT 06520 USA