ID	Integer	IBVD unique identifier for this reported volume.
Structure	Text	Structure being measured.
Hemisphere	Text	Hemisphere of the structure being measured (left, right, or total).
Mean volume	Float	Mean of volumes in this subject group.
Volume std dev	Float	Standard deviation of volumes in this subject group.
Units	Text	Units (ml, cc, etc) of the volume measurement.
Derived flag	Boolean	Whether this volume was derived from reported individual volumes. False for volumes directly reported in publications.
Adjusted flag	Boolean	Whether the reported measurement is stated to be ‘adjusted’ (for total brain volume, for example).
URL	Text	URL for this volume (for on-line data sources or publications sharing data on-line).