1. Department of Pharmacotherapy, Pharmacotherapy Outcomes Research Center, University of Utah, Salt Lake City, UT
2. Pharmacotherapy Outcomes Research Center, University of Utah
3. Bristol-Myers Squibb Co., Wallingford, CT
4. Bristol-Myers Squibb Co., Plainsboro, NJ
5. Bristol-Myers Squibb Co., Wallingford
6. Department of Pharmacotherapy, Pharmacotherapy Outcomes Research Center, University of Utah