Affiliation: | 1.Division of Infectious Diseases and Epidemiology, Department of Medicine, Penn State College of Medicine, Hershey, PA 17033, USA; (K.M.T.); (R.J.K.M.); (J.C.);2.The Institute of Medical Sciences, University of Toronto, Toronto, ON MS5 1A8, Canada; (P.R.); (A.C.);3.Department of Molecular Genetics, University of Toronto, Toronto, ON MS5 1A8, Canada;4.Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA 17033, USA |