1. Department of Ophthalmology, Stritch School of Medicine, Loyola University Chicago, Maywood, Illinois, USA.
2. Stritch School of Medicine, Loyola University Chicago, Maywood, Illinois, USA.
3. Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, California, USA.
4. Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois, USA.