[1] Vet Affairs Puget Sound Hlth Care Syst, Pulm & Crit Care Sect, Seattle, WA USA
[2] Vet Affairs Puget Sound Hlth Care Syst, Nephrol Sect, Hosp & Specialty Med, Seattle, WA USA
[3] Vet Affairs Puget Sound Hlth Care Syst, Gen Med Serv, Seattle, WA USA
[4] Vet Affairs Puget Sound Hlth Care Syst, Hlth Serv Res & Dev Ctr Innovat, Seattle, WA USA
[5] Univ Washington, Div Pulm & Crit Care, Seattle, WA 98195 USA
[6] Univ Washington, Div Gen Internal Med, Seattle, WA 98195 USA
[7] Univ Washington, Div Nephrol, Seattle, WA 98195 USA
[8] Univ Washington, Kidney Res Inst, Seattle, WA 98195 USA
[9] Vet Affairs Portland Hlth Care Syst, Gastroenterol & Hepatol Serv, Portland, OR USA
[10] Oregon Hlth & Sci Univ, Div Gastroenterol & Hepatol, Portland, OR 97201 USA