Table A2.

Search Protocol #2.

Database	Search Strings	Hits
PubMed 1966 -	#1: (“Total Lung Capacity”[Mesh]) OR (“Total Lung Capacity” OR “TLC”)	47199
	#2: (“Tomography, X-Ray Computed”[Mesh]) OR (“Computer tomography” OR “computer-assisted tomography” OR “Chest computed tomography” OR “CT” OR “Inspiration CT” OR “Expiration CT” OR “CT-derived lung volumes” OR “Multidetector Computed tomography” OR “computed tomography segmentation” OR “computed tomography” OR “Computerized tomography” OR “Volumetric chest CT” OR “CAT scan” OR “low-dose CT” OR “high-resolution CT” OR “tomodensitometry” OR “quantitative CT”)	903743
	#3:(“Plethysmography, Whole Body”[Mesh]) OR (“Body plethysmography” OR “plethysmography analysis” OR “plethysmographic” OR “plethysmographic methods” OR “Static spirometry” OR “Body box” OR “Plethysmograph*” OR “Whole Body Plethysmography”)	25428
	#1 AND #2 AND #3	111

Note: Protocol 2: the narrowed search on PubMed using the block searching strategy.