1. Centre of Ophthalmology and Vision Sciences, Institute of Biomedical Research in Light and Image (IBILI), Faculty of Medicine, University of Coimbra, Coimbra, Portugal;
2. Department of Cellular and Molecular Physiology, Penn State Hershey College of Medicine, Hershey, Pennsylvania;
3. Department of Surgery, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania;
4. Department of Ophthalmology, Penn State Hershey Eye Center, Hershey, Pennsylvania;
5. Centre for Neuroscience and Cell Biology, Department of Zoology, University of Coimbra, Coimbra, Portugal.