TABLE 1

Subject Demographics for Healthy Controls

	Age (y)			Sex
Decade	Range	Mean ± SD	n	Female	Male
20	21–29	24.6 ± 2.7	19	11	8
30	30–38	33.7 ± 2.5	21	8	13
40	40–49	44.9 ± 3.2	17	8	9
50	51–59	56.0 ± 2.9	16	9	7
60	60–69	63.9 ± 2.5	31	11	20
>70	70–83	75.3 ± 3.7	27	13	14
All	21–83	52.3 ± 18.1	131	60	71