1. From the Angiogenesis/Laser Laboratory, Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts; the
2. Department of Medical Oncology, Dana Farber Cancer Institute, and Department of Medicine, Harvard Medical School, Boston, Massachusetts; and the
3. Department of Pathology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece.