Table 2.

Participant information collection

Contact	Screening period		12-month visit	24-month visit	36-month visit	48-month visit
Purpose	Enrol in study		Health status Biosamples Questionnaires	Health status Biosamples Questionnaires	Health status Biosamples Questionnaires	Health status Biosamples Questionnaires
Information collected	Contact by telephone, email or clinic visit. Explain project Set up study visit(s)	Signed consent Eligibility screening Demographics Medical history Provide urine and stool kit Obtain blood (+DNA) Questionnaires	Medical history Obtain urine, stool, blood Questionnaires	Medical history Obtain urine, stool, blood Questionnaires	Medical history Obtain urine, stool, blood Questionnaires	Medical history Obtain urine, stool, blood Questionnaires