Follow-up questionnaire 1

Follow-up of participant at approx 2 years after Baseline visit. 
Change of address / change in family members, Incidence of diseases / visits to health care providers, Medication use, Additional information on nutrition, Additional information on specific items requested by researchers

Start Year: 
2010 (January)
End Year: 
2014 (December)
Data sources: 
Questionnaires