. 2019 Jul 16;12:423. doi: 10.1186/s13104-019-4448-0

Table 1.

WISC study activity schedule

Activity	Screen	Prenatal	Birth	2 months	6 months	9 months	12 months	15, 18, 21 months	24 months	Illness (as needed)
Eligibility	X
Consent		X
Medical record extraction			X	X		X			X
Respiratory illness symptom diary										X
Questionnaires
Prenatal		X
Postnatal				X		X			X
Infant feeding and diet				X	X	X	X		X
Child diet								X	X
Respiratory allergy				X	X	X	X	X	X
Occupational exposures									X
Personal samples
Vaginal swab		X
Blood collection			X^a				X		X
Nasal swab				X		X	X	X^b	X
Stool				X		X			X
Skin				X		X			X
Saliva				X		X			X
Urine				X		X			X
Breast milk				X
Nasal swab (viral)										X
Nasal brushing									X
Environmental samples
Dust (settled (incl barn dust, if applicable)				X		X			X
Dust (vacuum)				X
Drinking water				X		X			X
Farm milk						X			X

^aCord; ^b18 months only