Funding for this research was provided by:
Medical Resident research funding grants, Region Stockholm, Karolinska Institutet, Stockholm.
Region Stockholm, Karolinska Institutet
Article History
Received: 29 March 2021
Accepted: 10 June 2021
First Online: 22 June 2021
Declarations
:
: Approval of the study protocol was obtained on 12 December 2018 by the Regional Ethics Review Board in Stockholm, Sweden (diary number; 2018/22-65). Approval of the trial surgical centers before the recruitment of participants from each surgical centra was obtained on 31 January 2020 and 24 February 2021 (diary number; 2019/05-608 and 2021-00597, respectively). All procedures performed in the study involving human participants are 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. Participating investigators have the responsibility to give both oral and written information to patients about the trial. Signed informed consent from all participants will be obtained and maintained prior to inclusion in the trial. Any amendments to the study protocol will be submitted to the ethics review board prior to their implementation.
: Consent for publication of the uncoded data of the participants and the results of the trial will be obtained from all participants prior to study entry and will be disclosed in the written information about the trial provided to them.
: The authors declare that they have no competing interests.