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Table 1 Dates and times of dried blood-spot sample collections and supplement intake

From: 25-Hydroxyvitamin D variability within-person due to diurnal rhythm and illness: a case report

Day

Date (MM/DD/YY)

Time (24-hour)

Morning sample collection

Midday sample collection

Night sample collection

Supplement taken

1

10/11/17

06:45

14:50

22:45

13:40

2

10/18/17

05:50

13:55

22:00

13:10

3

11/15/17

05:45

13:45

23:05

13:50

4

11/28/17

05:50

13:50

22:55

14:40