Introduction
Crossref DOI link: https://doi.org/10.1007/s13563-017-0104-0
Published Online: 2017-03-07
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ericsson, Magnus
Jokelainen, Kristiina
License valid from 2017-03-07
