Institution: | 1. Gene Therapy Program, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA;2. Section of Anatomy, Department of Basic Medical Sciences, University of the West Indies, Kingston, Jamaica;3. Department of Pathobiology and Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA;4. Current address: School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA |