[1] Pulm & Crit Care Med Legacy Hlth, Portland, OR USA
[2] Oregon Hlth & Sci Univ, Dept Med, Div Pulm & Crit Care Med, Portland, OR 97201 USA
[3] Edith Nourse Rogers Mem Vet Adm Hosp, Ctr Healthcare Org & Implementat Res, 200 Springs Rd, Bedford, MA 01730 USA
[4] Boston Univ, Sch Med, Pulm Ctr, Boston, MA 02118 USA
[5] VA Portland Hlth Care Syst, Ctr Improve Vet Involvement Care, Portland, OR USA
[6] VA Portland Hlth Care Syst, Dept Radiol, Portland, OR USA
[7] VA Portland Hlth Care Syst, Sect Pulm & Crit Care Med, Portland, OR USA
[8] VA Puget Sound Hlth Care Syst, Hlth Serv Res & Dev, Seattle, WA USA
[9] Univ Washington, Sch Med, Div Pulm & Crit Care Med, Seattle, WA 98195 USA