1. University Children’s Hospital Zurich, Steinwiesstrasse 75, 8032 Zürich, Switzerland
2. Department of Ophthalmology, University Hospital Zurich, Frauenklinikstrasse 24, 8091 Zürich, Switzerland
3. Neuroimmunology and Multiple Sclerosis Research, Clinic for Neurology, University Hospital Zurich, Frauenklinikstrasse 26, 8091 Zurich, Switzerland