AUC	Area under the curve
BMI	Body mass index
CI	Confidence interval
DC/TMD	Diagnostic criteria for temporomandibular disorders
DHI	Dizziness Handicap Inventory
FAI	Fonseca Anamnestic Index
HIT-6	Headache Impact Test
ICC	Intraclass correlation coefficient
KMO	Kaiser-Meyer-Olkin
MDC	Minimum detectable change
NDI	Neck Disability Index
NRS	Numerical Pain Ratin Scale
PCA	Principal-Component-Analysis
ROC	Receiver operating characteristics
SD	Standard deviation
SEM	Standard Error Measurement
SFAI	Short form of Fonseca Anamnestic Index
TMD	Temporomandibular disorders
TMJ	Temporomandibular joint