Table II.

The characteristics of healthy subjects.

No.	Age	Sex
1	35	Female
2	52	Female
3	40	Female
4	76	Male
5	65	Male
6	37	Male
7	37	Female
8	30	Male
9	58	Male
10	52	Male
11	50	Female
12	38	Female
13	59	Male
14	75	Male
15	35	Male
16	39	Male
17	68	Male
18	38	Male
19	40	Female
20	44	Female