Levofloxacin for BK virus prophylaxis following kidney transplantation: a randomized clinical trial. - Knoll, Greg A; Humar, Atul; Fergusson, Dean; Johnston, Olwyn; House, Andrew A; Kim, S Joseph; Ramsay, Tim; Chassé, Michaël; Pang, Xiaoli; Zaltzman, Jeff; Cockfield, Sandra; Cantarovich, Marcelo; et al. (JAMA: Journal of the American Medical Association, 2014)