participant_id	session_id	cohort	diagnosis
sub-OAS30010	ses-M000	single	AD
sub-OAS30011	ses-M054	single	CN
sub-OAS30011	ses-M000	single	AD
sub-OAS30012	ses-M006	single	CN
sub-OAS30012	ses-M018	single	CN
sub-OAS30013	ses-M006	single	AD
sub-OAS30014	ses-M006	single	CN
sub-OAS30014	ses-M036	single	AD