Funding for this research was provided by:
Lund University
Article History
Received: 7 February 2018
Accepted: 13 July 2018
First Online: 24 July 2018
Compliance with ethical standards
: This study was approved by Lund regional ethics review board in Sweden (2017/247 (Nittby Redebrandt).
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent from each patient is not required; instead, an ethical approval has been made by the Lund/Malmö regional ethics board.