1. Department of Ophthalmology and Visual Sciences; John A. Moran Eye Center, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
2. Department of Neurology, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
3. Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
4. Department of Operations and Information Systems, David Eccles School of Business, University of Utah, Salt Lake City, Utah, USA
5. Department of Ophthalmology, Rigshospitalet, University of Copenhagen, Glostrup, Denmark