AUTHOR=Meng Guangqiang , Feng Saran , Wang Yan TITLE=Advances in allogeneic hematopoietic stem cell transplantation for Langerhans cell histiocytosis in children JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1345855 DOI=10.3389/fimmu.2025.1345855 ISSN=1664-3224