1. Department of Ophthalmology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
2. Neuroimmunology and Multiple Sclerosis Research, Clinic for Neurology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
3. Institute for Epidemiology, Biostatistics, and Prevention, Department of Biostatistics, University of Zurich, Zurich, Switzerland
4. Department of Information Technology and Electrical Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland