A study of mefloquine treatment for progressive multifocal leukoencephalopathy: results and exploration of predictors of PML outcomes - Clifford, David B.; Nath, Avindra; Cinque, Paola; Brew, Bruce J.; Zivadinov, Robert; Gorelik, Leonid; Zhao, Zhenming; Duda, Petra (Journal of neurovirology, 2013)