1 Department of Neurology, Inselspital, University Hospital, University of Bern, Freiburgstrasse 10, 3010, Bern, Switzerland. barbara.goeggelsimonetti@insel.ch.
2 Department of Neurology, Inselspital, University Hospital, University of Bern, Freiburgstrasse 10, 3010, Bern, Switzerland.
3 Department of Nephrology, Inselspital, University Hospital, University of Bern, Bern, Switzerland.