NMR	nuclear magnetic resonance
MS	mass spectrometry
LC-MS	liquid chromatography-mass spectrometry
PLS-DA	partial least squares-discriminant analysis
K-OPLS	kernel-based orthogonal projections to latent structures
PCA	principal component analysis
SVM	support vector machine
RF	random forest
GBM	gradient boosting machine
ANN	artificial neural networks
AUC	area under the curve
ANOVA	analysis of variance
Aβ	amyloid beta
AD	Alzheimer’s disease
MCI	mild cognitive impairment
ADNI	Alzheimer’s Disease Neuroimaging Initiative
BLSA	Baltimore Longitudinal Study of Aging
CSF	cerebrospinal fluid
GA	genetic algorithm
ES	evolution strategy
EA	evolutionary algorithm
GP	genetic programming
ATP	adenosine 5′-triphosphate