Clinical and immunologic effects of maraviroc in progressive multifocal leukoencephalopathy. (7th July 2015) - Middel, Ananja; Arends, Joop E.; van Lelyveld, Steven F.L.; Otto, Sigrid; Schuurman, Rob; Frijns, Catharina J.M.; Tesselaar, Kiki; Hoepelman, Andy I.M.