AUTHOR=Pepper Andrew R. TITLE=Status of islet transplantation and innovations to sustainable outcomes: novel sites, cell sources, and drug delivery strategies JOURNAL=Frontiers in Transplantation VOLUME=3 YEAR=2024 URL=https://www.frontiersin.org/journals/transplantation/articles/10.3389/frtra.2024.1485444 DOI=10.3389/frtra.2024.1485444 ISSN=2813-2440