[1] Massachusetts Eye Res & Surg Inst, Waltham, MA 02451 USA
[2] Ocular Immunol & Uveitis Fdn, Cambridge, MA USA
[3] Hosp Olhos Santa Luzia, Recife, PE, Brazil
[4] Ctr Brasileiro Ciencias Visuais, Belo Horizonte, MG, Brazil
[5] Harvard Univ, Sch Med, Cambridge, MA 02138 USA