Text and Data Mining valid from 2019-12-02
Received: 4 April 2019
Accepted: 6 October 2019
First Online: 2 December 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of Zealand University Hospital and Hospice Zealand and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Regional Ethical Committee (SJ-502) approved the study.
: The funding body had no role in the study design, collection, analysis or interpretation of data, writing of report, or decision to submit for publication. The authors have no financial relationship with the funding source. The authors have full control of all primary data and agree to allow the journal to review data if requested.