sample_id	participant_id	group	age	batch
S001	P001	reference	31	batch_a
S002	P002	comparison	33	batch_b
S003	P003	reference	63	batch_a
S004	P004	comparison	28	batch_b
S005	P005	reference	62	batch_a
S006	P006	comparison	31	batch_b
S007	P007	reference	60	batch_a
S008	P008	comparison	62	batch_b
S009	P009	reference	41	batch_a
S010	P010	comparison	65	batch_b
S011	P011	reference	43	batch_a
S012	P012	comparison	59	batch_b
S013	P013	reference	62	batch_a
S014	P014	comparison	51	batch_b
S015	P015	reference	63	batch_a
S016	P016	comparison	55	batch_b
S017	P017	reference	45	batch_a
S018	P018	comparison	59	batch_b
S019	P019	reference	62	batch_a
S020	P020	comparison	51	batch_b
S021	P021	reference	64	batch_a
S022	P022	comparison	58	batch_b
S023	P023	reference	50	batch_a
S024	P024	comparison	26	batch_b
S025	P025	reference	35	batch_a
S026	P026	comparison	36	batch_b
S027	P027	reference	29	batch_a
S028	P028	comparison	34	batch_b
S029	P029	reference	42	batch_a
S030	P030	comparison	58	batch_b
S031	P031	reference	50	batch_a
S032	P032	comparison	65	batch_b
S033	P033	reference	37	batch_a
S034	P034	comparison	31	batch_b
S035	P035	reference	35	batch_a
S036	P036	comparison	43	batch_b
S037	P037	reference	34	batch_a
S038	P038	comparison	48	batch_b
S039	P039	reference	29	batch_a
S040	P040	comparison	42	batch_b
S041	P041	reference	40	batch_a
S042	P042	comparison	48	batch_b
S043	P043	reference	40	batch_a
S044	P044	comparison	40	batch_b
S045	P045	reference	34	batch_a
S046	P046	comparison	45	batch_b
S047	P047	reference	43	batch_a
S048	P048	comparison	60	batch_b
S049	P049	reference	36	batch_a
S050	P050	comparison	40	batch_b
S051	P051	reference	55	batch_a
S052	P052	comparison	45	batch_b
S053	P053	reference	33	batch_a
S054	P054	comparison	29	batch_b
S055	P055	reference	32	batch_a
S056	P056	comparison	39	batch_b
S057	P057	reference	43	batch_a
S058	P058	comparison	64	batch_b
S059	P059	reference	45	batch_a
S060	P060	comparison	35	batch_b