| Institution |
Participants Enrolled |
| |
n/N, % |
| Stanford U |
32/164, 19.5 |
| U of CA, Los Angeles |
30/164, 18.3 |
| U of Colorado |
30/164, 18.3 |
| U of Iowa |
30/164, 18.3 |
| Washington U |
26/164, 15.9 |
| MA Eye and Ear Infirmary |
9/164, 5.5 |
| Yale U |
7/164, 4.3 |
| U of Texas, Houston |
5/164, 3.0 |
| U of Southern CA |
5/164, 3.0 |
CA: California; MA: Massachusetts; U: University |
