Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.|Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT, USA.