Acknowledgements
The authors acknowledge the contributions of the participants of the 4th Cullen Symposium, including: Artis D, CalderV, Kim C, Knight S, Ma A, Merad M, Niederkorn J, Pflugfelder S, Pulendran B, Saban D, Stern M, Theofilopoulos A, Wang J. The authors acknowledge the outstanding contribution of Elaine Kurie as the figure illustrator.
Financial & competing interests disclosure
Pflugfelder SC has received a research grant from Allergan, Inc., and unrestricted grants from Research to Prevent Blindness, New York, NY, the Oshman Foundation, Houston, TX, the William Stamps Farish Fund, Houston, TX, and the Hamill Foundation, Houston, TX, USA. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.