Sandstedt, Mårten http://orcid.org/0000-0002-0973-9499
Henriksson, Lilian
Janzon, Magnus
Nyberg, Gusten
Engvall, Jan
De Geer, Jakob
Alfredsson, Joakim
Persson, Anders
Article History
Received: 11 July 2019
Revised: 26 September 2019
Accepted: 9 October 2019
First Online: 14 November 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Anders Persson.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Lars Valter, Department of Occupational and Environmental Medicine, Linköping University, kindly provided statistical advice for this manuscript.One of the authors, Joakim Alfredsson, has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Cross sectional study• Performed at one institution