[1] Univ Texas Hlth Sci Ctr Houston, Sch Publ Hlth, Dept Management Policy & Community Hlth, Houston, TX 77030 USA
[2] Univ Texas Hlth Sci Ctr Houston, UTHlth Consortium Aging, Houston, TX 77030 USA
[3] Michael E DeBakey VA Med Ctr, VA HSR&D Ctr Innovat Qual, Houston, TX USA
[4] Univ Calif Los Angeles, Div Gen Internal Med & Hlth Serv Res, Los Angeles, TX USA
[5] VA Greater Angeles Healthcare Syst, VA HSR&D Ctr Study Healthcare Innovat Implementat, Los Angeles, CA USA