Will it be cheese, bologna, or peanut butter?
Crossref DOI link: https://doi.org/10.1007/s10654-017-0257-8
Published Online: 2017-05-15
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Willett, Walter C.
License valid from 2017-04-01