Axelsson, Ida http://orcid.org/0000-0003-4087-7600
Malm, Torsten
Nilsson, Johan http://orcid.org/0000-0001-6860-6090
Funding for this research was provided by:
Swedish Fund of Congenital Heart Defects
Swedish Odd Fellow Jubilee Foundation
Lund University
Article History
Received: 27 June 2020
Accepted: 4 December 2020
First Online: 12 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The Regional Ethical Review Board in Lund, Sweden approved of the study. First approval was received 2017-04-11 (Dnr 2017/133). After modification of the study protocol, a complementary application was approved 2018-05-29 (Dnr 2018/568). The ethical approval states that data collection can be made without patient approval.