ANCOVA	Analysis of covariance
ANOVA	Analysis of variance
BMI	Body mass index
BSA	Body surface area
CI	Confidence interval
COPD	Chronic obstructive pulmonary disease
DIAAS	Digestible Indispensable Amino Acid Score
FAO	Food and Agriculture Organization
FFQ	Food frequency questionnaire
MET	Metabolic equivalent
MVPA	Moderate-intensity and vigorous-intensity physical activity
Q	Quartile
RDA	Recommended dietary allowance
SD	Standard deviation
SQUASH	Short questionnaire to assess health-enhancing physical activity
UMCG	University Medical Center Groningen