Flow diagram showing the studies selection process.
1. From the Cole Eye Institute (J.B.R., B.N.S., B.H., B.A.L.D., W.J.D.), Cleveland Clinic, Cleveland, Ohio, USA
2. Cleveland Clinic Lerner College of Medicine of Case Western Reserve University (J.B.R.), Cleveland, Ohio, USA
3. Department of Ophthalmology (B.N.S., B.A.L.D., M.R.S.), University of Sao Paulo, Sao Paulo, Brazil
4. Sorocaba Eye Hospital (B.N.S.), Sorocaba, Brazil
5. Fischell Department of Bioengineering (W.J.D.), University of Maryland, Maryland, USA
6. Department of Biomedical Engineering (W.J.D.), Case Western Reserve University, Cleveland, Ohio, USA
7. Cullen Eye Institute (D.D.K.), Baylor College of Medicine, Houston, Texas, USA