Affiliation: | 1. USC Leonard D. Schaeffer Center for Health Policy and Economics, University of Southern California, Los Angeles, CA;2. Information Sciences Institute, University of Southern California, Marina del Rey, CA;3. Department of Computer Science, Viterbi School of Engineering, University of Southern California, Marina del Rey, CA;4. Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at the University of California, Los Angeles, CA;5. Veterans Administration Los Angeles, Los Angeles, CA;6. School of Pharmacy, University of Southern California, Los Angeles, CA |