meta	donor	tissue	age	lab
Cell1	1	brain	16	snyder
Cell2	1	lung	12	snyder
Cell3	1	liver	10	snyder
Cell4	1	lung	5	snyder
Cell5	2	liver	8	snyder
Cell6	2	brain	3	snyder
Cell7	2	liver	1	snyder
Cell8	2	brain	.5	snyder