aThe Retina Institute, St. Louis, Missouri
bTennessee Retina, PC, Nashville, Tennessee
cMichigan Retina Center, PC, Ann Arbor, Michigan
dThe Retina Service of Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
eCole Eye Institute, Cleveland Clinic Foundation, Cleveland, Ohio
fBausch & Lomb, Rochester, New York, USA
Correspondence to Kevin J. Blinder, MD, The Retina Institute, 32 Lake Forest Dr, St. Louis, MO 63117, USA. Tel: +1 314 409 6121; e-mail: [email protected]