Table 1. Time of day for maximum and minimum MIC-1/GDF15 serum levels.

Subject	Time of Maximum	Time of Minimum
1	00:40	12:40
2	22:36	10:36
3	07:53	19:53
4	01:57	13:57
5	03:44	15:44
6	01:36	13:36
7	22:29	11:45
8	01:22	13:22
9	23:45	11:45
10	14:21	02:21
11	00:11	12:11
12	01:03	13:03
13	00:04	12:04
14	20:57	08:57