Department of Pharmacy, Methodist University Hospital, Memphis, TN, USA; College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA. Electronic address: arichardson@chsu.org. Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA. Department of Pharmacy, Methodist University Hospital, Memphis, TN, USA. Department of Pharmacy, Methodist University Hospital, Memphis, TN, USA; College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA. College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA; Hospitalist, Methodist University Hospital, Memphis, TN, USA.