Critical considerations for the development of potency tests for therapeutic applications of mesenchymal stromal cell-derived small extracellular vesicles

Mario Gimona, Maria Felice Brizzi, Andre Choo, Massimo Dominici, Sean M. Davidson, Johannes Grillari, Dirk M. Hermann, Andrew F. Hill, Dominique P.V. de Kleijn, Ruenn Chai Lai, Charles Pin‐Kuang Lai, Rebecca Lim, Marta Tortajada, Maurizio Muraca, Takahiro Ochiya, Luis A. Ortiz, Wei Seong Toh, Yong Weon Yi, Kenneth W. Witwer, Bernd Giebel, Sai Kiang Lim