1. Hamilton Glaucoma Center and Viterbi Family Department of Ophthalmology, Shiley Eye Institute, University of California San Diego, La Jolla, California, USA.
2. North Bay Eye Associates, Petaluma, California, USA.
3. Sacramento Eye Consultants, Sacramento, California, USA.
4. Duke Eye Center, Durham, North Carolina, USA.
5. Allergan, an AbbVie company, Irvine, California, USA.
6. Bernstein Biostatistics Consulting, LLC, Laguna Niguel, California, USA.