AGE	advanced glycation end products
AF	autofluorescence
AFB	autofluorescence bronchoscopy
AFI	autofluorescence imaging
AU	arbitrary units
CFOME	confocal fiber-optic micro-endoscopy
CI	confidence interval
CKD	chronic kidney disease
COPD	chronic obstructive pulmonary disease
DAFE	diagnostic autofluorescence endoscopy
ETMI	endoscopic trimodal imaging
ECM	extracellular matrix
FAD	flavin adenine dinucleotide
FH	functional heartburn
FLIM	fluorescence lifetime imaging microscopy
GERD	gastroesophageal reflux disease
GOLD	global initiative for chronic obstructive lung disease
HRE	high resolution endoscopy
LDCT	low-dose computed tomography
MPT	multiphoton tomography
NAD(P)H	reduced nicotinamide adenine dinucleotide phosphate
NBI	narrow band imaging
NERD	non-erosive reflux disease
NILT	near-infrared light transillumination
NIR	near-infrared
OTIS	overlay tissue imaging system
pCLE	probe-based confocal laser endomicroscopy
PTG	parathyroid gland
UC	ulcerative colitis
RGB	red, green and blue
SAF	skin autofluorescence
SVE	standard white-light video endoscopy
SNP	single nucleotide polymorphism
WL	white light
WLB	white light bronchoscopy
WLE	white light endoscopy