Gut microbiota composition as a candidate risk factor for dimethyl fumarate-induced lymphopenia in multiple sclerosis oleh Martin Diebold, Marco Meola, Srinithi Purushothaman, Lena K Siewert, Elisabeth Pössnecker, Tim Roloff, Raija LP Lindberg, Jens Kuhle, Ludwig Kappos, Tobias Derfuss, Adrian Egli, Anne-Katrin Pröbstel