1. From the Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden; the 2Eye Department/Futurum, County Hospital Ryhov, Jönköping, Sweden; and
2. From the Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden;
3. the Department of Pathology, Linköping University Hospital, Linköping, Sweden.