AUTHOR=Ekpo Marlene Davis , Xie Jingxian , Liu Xiangjian , Onuku Raphael , Boafo George Frimpong , Tan Songwen TITLE=Incorporating Cryopreservation Evaluations Into the Design of Cell-Based Drug Delivery Systems: An Opinion Paper JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.967731 DOI=10.3389/fimmu.2022.967731 ISSN=1664-3224