60,872
Participants
Start Date
October 2, 2017
Primary Completion Date
December 30, 2021
Study Completion Date
December 30, 2021
Not applicable, this is an observational study
Not applicable, this is an observational study
Finland, Helsinki
Karolinska Institutet
OTHER
Norwegian Institute of Public Health
OTHER_GOV
Finnish Institute for Health and Welfare
OTHER_GOV