Engineering Human Mesenchymal Bodies in a Novel 3D-Printed Microchannel Bioreactor for Extracellular Vesicle Biogenesis oleh Richard Jeske, Xingchi Chen, Logan Mulderrig, Chang Liu, Wenhao Cheng, Olivia Z. Zeng, Changchun Zeng, Jingjiao Guan, Daniel Hallinan, Xuegang Yuan, Yan Li