At the time this article was written, Jerome A. Paulson was with the School of Medicine and Health Sciences, George Washington University, Washington, DC, and the School of Public Health and Health Services, George Washington University, Washington, DC. Catherine J. Karr was with the University of Washington Medical Center, Seattle. James M. Seltzer was with the School of Medicine, University of California, Irvine. Debra C. Cherry was with the University of Texas Health Science Center, Tyler. Perry...