The median time interval between each test-retest were 63 days between the first and second sittings, 45 days between the second and third sitting, and 28 days between the third and fourth sittings.
The median time interval between each test-retest were 63 days between the first and second sittings, 45 days between the second and third sitting, and 28 days between the third and fourth sittings.