AUTHOR=Flanagan Sarah E. , Lazaridi Isabella-Anna , Männistö Jonna M. E. , Bennett Jasmin J. , Kalyon Oguzhan , Johnson Matthew B. , Wakeling Matthew N. , Houghton Jayne A. L. , Laver Thomas W. TITLE=Large copy number variants are an important cause of congenital hyperinsulinism that should be screened for during routine testing JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1514916 DOI=10.3389/fendo.2025.1514916 ISSN=1664-2392