Engstrand, Jennie https://orcid.org/0000-0003-1123-7022
Strömberg, Cecilia
Nilsson, Henrik
Freedman, Jacob
Jonas, Eduard
Article History
Received: 16 September 2019
Accepted: 16 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Stockholm.
: Not applicable.
: The authors declare that they have no competing interests.