PRP	Platelet-Rich Plasma
PPP	Platelet-poor plasma
A-PRP	Autologous-Non-activated Platelet-Rich Plasma
AA-PRP	Autologous-Activated Platelet-Rich-Plasma
GFs	Growth Factors
VEGF	Vascular endothelial Growth factors
PDGF	Platelet Derived Growth factors
IGF-1	Insulin like Growth factor-1
TGF-ß	Transforming growth factor-beta
EGF	Epidermal growth factor
DPCs	Dermal papilla cells
EC	European Committee
CAT	Committee for Advanced treatments;
GMP	Good Manufacturing Practices
GCP	Good Clinical Practices
ECM	Extracellular matrix
SVFs	Stromal vascular Fraction Cells
AD-MSCs	Adipose-derived Mesenchymal Stem Cells
RPM	Right per minute
PRISMA-P	Preferred Reporting for Items for Systematic Reviews and Meta-Analyses-Protocols
CTGF	Connecting tissue growth factor
EBM	Evidence Based Medicine
MRI	Magnetic resonance imaging
CT	Computed Tomography
HA	Hyaluronic acid
OCEBM	Oxford Centre for Evidence-Based Medicine
WOMAC	Western Ontario and McMaster University’s Osteoarthritis Index scores
WBCs	White blood cells
DMEM	Dulbecco’s Modified Eagle Medium
FBS	Fetal Bovine serum
PLT	Platelets