1. Warfighter Refractive Eye Surgery Program and Research Center at Fort Belvoir, Fort Belvoir Community Hospital, Fort Belvoir, VA 22060, USA
2. Henry M. Jackson Foundation for the Advancement of Military Medicine Inc, Bethesda, MD 20817, USA
3. Department of Research Programs, Walter Reed National Military Medical Center, Bethesda, MD 20889, USA
4. Department of Surgery, Uniformed Services University of Health Sciences, Bethesda, MD 20814, USA
5. The Wilmer Eye Institute, Johns Hopkins University, Lutherville, MD 21093, USA
6. National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD 20889, USA
7. Ophthalmology Service, Walter Reed National Military Medical Center, Bethesda, MD 20889, USA