Funding for this research was provided by:
Fundación Alicia Koplowitz
Stockholms Läns Landsting (20180078)
Received: 3 October 2019
Accepted: 30 April 2020
First Online: 15 May 2020
Ethics approval and consent to participate
: The study was approved by the regional ethical review board in Stockholm (2012/570–31/1).
: Not applicable.
: JB receives book royalties from Natur & Kultur. DMC receives royalties for contributing articles to UpToDate, Wolters Kluwer Health and Elsevier. LFC receives royalties for contributing articles to UpToDate, Wolters Kluwer Health. The rest of authors declare that they have no competing interests to declare.