[1] US Army, Moab, UT 84532 USA
[2] Coastal Eye Associates, Webster, TX USA
[3] Johns Hopkins Univ Hosp, Wilmer Eye Inst, Baltimore, MD 21287 USA
[4] US Navy, NASA, Johnson Space Ctr Space Med, Houston, TX USA
[5] Kantonsspital Aarau, Dept Ophthalmol, Aarau, Switzerland
[6] Univ Basel, Dept Biomed, Basel, Switzerland
[7] PC Sint Amandus, Dept Psychiat, Beernem, Belgium
[8] Houston Methodist Hosp, Dept Ophthalmol, Blanton Eye Inst, Houston, TX 77030 USA
[9] Baylor Coll Med, Houston, TX 77030 USA
[10] Baylor Ctr Space Med, Houston, TX USA
[11] Weill Cornell Med Coll, Dept Ophthalmol, New York, NY USA
[12] Weill Cornell Med Coll, Dept Neurol, New York, NY USA
[13] Weill Cornell Med Coll, Dept Neurosurg, New York, NY USA
[14] Univ Texas Med Branch, Dept Ophthalmol, Galveston, TX 77555 USA
[15] Univ Iowa Hosp & Clin, Dept Ophthalmol, Iowa City, IA 52242 USA
[16] UT MD Anderson Canc Ctr, Houston, TX USA