Jensen, Niels Dyrgaard
Arge, Sara http://orcid.org/0000-0003-2977-0407
Hansen, Nikolaj Friis
Lynnerup, Niels
Article History
Accepted: 5 July 2019
First Online: 30 July 2019
Compliance with ethical standards
:
: We have no conflict of interest.
: This study was based purely on registry data, and the database has been approved by the Danish Data Protection Agency (2011-54-1262). Following Danish legislation, no ethical approval was needed.