Rausch, C. http://orcid.org/0000-0002-6665-9663
Liang, Y.
Bültmann, U.
de Rooij, S. E.
Johnell, K.
Laflamme, L.
Möller, J.
Article History
Received: 10 May 2019
Accepted: 26 September 2019
First Online: 15 October 2019
Ethics approval and consent to participate
: The Stockholm Regional Ethical Review Board granted ethical approval (case numbers: 2011/344–31/5, 2013/466–32, 2016/984–32 and 2016/1932–31/5). All participants gave their informed consents by filling in the questionnaire and sending it back.
: Not applicable
: The authors declare that they have no competing interests.