[1] Univ Colorado, Div Hlth Care Policy & Res, Anschutz Med Campus, Aurora, CO USA
[2] VA Eastern Healthcare Syst, Denver Seattle Ctr Innovat, Aurora, CO USA
[3] VA Puget Sound Hlth Care Syst, Seattle, WA USA
[4] HSR&D Ctr Innovat Vet Ctr & Value Driven Care, Qualitat Res Core, Seattle, WA USA
[5] VA Collaborat Evaluat Ctr VACE, Seattle, WA USA
[6] Univ Washington, Dept Hlth Serv, Seattle, WA 98195 USA
[7] VA Ctr Limb Loss & Mobil CLiMB, Seattle, WA USA
[8] Univ Washington, Dept Rehabil Med, Seattle, WA 98195 USA