Table 2.

Demographics and number of samples from individuals recruited for experiments on reproducibility.

Subject	Gender	Age	Ethnicity	Days to 2nd sample	Days to 3rd sample
1	M	78	Caucasian	35	None
2	F	31	Caucasian	402	None
3	F	67	Caucasian	39	66
4	M	42	Caucasian	43	78
5	M	26	Caucasian	56	None
6	F	25*	Unknown	24	None
7	M	38	Asian	91	None
8	M	29	Caucasian	161	None

M = Male, F = Female, *estimated.