1. Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA.
2. Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, and Insurance Services Division, UPMC Health Plan, Pittsburgh, PA.
3. Insurance Services Division, UPMC Health Plan, Pittsburgh, PA.
4. Division of General Internal Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA.