[1] Hartford Hosp, Ctr Antiinfect Res & Dev, Hartford, CT 06102 USA
[2] Hartford Hosp, Div Infect Dis, Hartford, CT 06102 USA
[3] Hartford Hosp, Div Pulm Crit Care, Hartford, CT 06102 USA
[4] Hartford Hosp, Div Neurosurg Crit Care, Hartford, CT 06102 USA
[5] Hartford Hosp, Div Surg Crit Care, Hartford, CT 06102 USA
[6] Univ Connecticut, Sch Med, Farmington, CT 06030 USA