1. From the Texas A&M University System Health Science Center (S.C.S., M.C.B., K.A.K., D.J.D.), College of Medicine and Scott & White Health System, Department of Medicine, Temple, Tex; the Department of Pathology (A.R., P.P.), Scott & White Health System, Temple, Tex; the Department of Pharmacology and Toxicology (H.Z., G.F.), and Diagnostic Center for Population and Animal Health (B.S.), Michigan State University, East Lansing, Mich.