1. From the Pulmonary Division, University of Ferrara, St. Anna University Hospital, Ferrara, Italy (A.P.); the Divisions of Infectious Diseases and Organ Transplantation, Northwestern University Feinberg School of Medicine, Chicago (M.G.I.); the Canadian Center for Vaccinology, Dalhousie University, IWK Health and Nova Scotia Health, Halifax, Canada (J.M.L.); the Division of Infectious Diseases, Department of Internal Medicine, the Catholic University of Korea, Seoul, South Korea (D.-G.L.); the Center for...