APP	Amyloid-Precursor Protein
AQP4	Aquaporin-4 Protein
BBB	Blood-Brain Barrier
CDMS	Clinically Defined MS
CHI3L1	Chitinase-3-Like-1 Precursor
CIS	Clinically Isolated Syndrome
CSF	Cerebro Spinal Fluid
DMT	Disease-Modifying Therapies
DTI	Diffusion Tensor Imaging
DWI	Diffusion Weighted Imaging
EBNA	Epstein-Barr Nuclear Antigen
FLAIR	FLuid Attenuated Inversion Recovery Sequence
KFLC	Kappa Free Light Chain
LFLC	Lambda Free Light Chain
MBP	Myelin Basic Protein
MOG	Myelin Oligodendrocyte Glycoprotein
MS	Multiple Sclerosis
MRI	Magnetic Resonance Imaging
MRS	Magnetic Resonance Spectroscopy
MTI	Magnetization Transfer Imaging
MTR	Magnetization Transfer Ratio
NAA	N-Acetyl-Aspartate
NAWM	Normal-Appearing White Matter
NF	Neurofilaments
GFAP	Glial Fibrillary Acidic Protein
NMOSD	Neuromyelitis Optica Spectrum Disorders
OCB	Oligoclonal Bands
OCGB	IgG-Type Oligoclonal Bands
OCMB	IgM-Type Oligoclonal Bands
OCT	Optical Coherence Tomography
PD-SE	Proton Density-Weighted Spin-Echo Imaging
PET	Positron Emission Tomography
PPMS	Primary Progressive MS
RIS	Radiologically Isolated Syndrome
RNFL	Retinal Nerve Fiber Layer
RRMS	Relapsing Remitting MS
SPMS	Secondary Progressive MS
S-100B	S100 Calcium-Binding Protein B
VCA	Viral Capsid Antigen