ALP	Alkaline phosphatase
ARS	Alizarin red S
BCA	Bicinchoninic acid
C-GP	Fibrillated-collagen-coated gelatin/PVA scaffolds
C-GPH	Fibrillated-collagen-coated gelatin/PVA/HA scaffolds
C-PGPH	Fibrillated-collagen-coated core-shell scaffolds consisting of PCL (core) and gelatin/PVA/HA (shell)
DAPI	Diamidino-2-phenylindole
EDC	1-ethyl-(3-3-dimethylaminopropyl) carbodiimide hydrochloride
FTIR	Fourier-transform infrared
HA	Hydroxyapatite
NHS	N-hydroxysuccinimide
PCL	Poly(ε-caprolactone)
PVA	Poly(vinyl alcohol)
SEM	Scanning electron microscope
XRD	X-ray diffraction