1 McGovern Medical School at UT Health Science Center, Houston, TX, USA.
2 Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA; The University of Jordan, Amman, Jordan.
3 Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA.
4 University of Texas Health Science, Houston, TX, USA.
5 Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA; Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA; Neurology, and Neurosurgery, Weill Cornell Medicine, New York, NY, USA; University of Texas MD Anderson Cancer Center, Houston, TX, USA; Texas A&M College of Medicine, Bryan, TX, USA; The University of Iowa Hospitals and Clinics, Iowa City, IA, USA. Electronic address: aglee@houstonmethodist.org.