AUTHOR= Frontiers Editorial Office TITLE=Expression of Concern: Topical Ophthalmic Formulation of Trichostatin A and SurR9-C84A for Quick Recovery Post-alkali Burn of Corneal Haze JOURNAL=Frontiers in Pharmacology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2017.00427 DOI=10.3389/fphar.2017.00427 ISSN=1663-9812