1 McGovern Medical School, University of Texas Health Science Center, Houston, TX.
2 University of Texas Medical Branch School of Medicine, Galveston, TX.
3 Blanton Eye Institute, Houston Methodist Hospital, Houston, TX.
4 University of Texas Medical Branch School of Medicine, Galveston, TX; Blanton Eye Institute, Houston Methodist Hospital, Houston, TX; Weill Cornell Medicine, New York, NY; University of Texas MD Anderson Cancer Center, Houston, TX; Texas A&M College of Medicine, Bryan, TX; University of Iowa Hospitals and Clinics, Iowa City, IA. Electronic address: aglee@houstonmethodist.org.