AT	Adipose tissue
BM	Bone marrow
CF4	4-Layered cell factory
CFSE	Carboxyfluorescein succinimidyl ester
EVs	Extracellular vesicles
GMP	Good manufacturing practice
MLR	Mixed leukocyte reaction
MSCs	Mesenchymal stromal cells; mesenchymal stem/progenitor cells
NTA	Nanoparticle tracking analysis
PBMCs	Peripheral blood mononuclear cells
PBS	Phosphate-buffered saline
PHA	Phytohemagglutinin
pHPL	Pooled human platelet lysate
SD	Standard deviation
UC	Umbilical cord