Funding for this research was provided by:
Karolinska Institute
Article History
Received: 24 October 2022
Accepted: 20 December 2022
First Online: 12 January 2023
Declarations
:
: Joshua N Gertler, Pehr Sommar, and Ebba K Lindqvist declare no competing interests.
: This study was performed in line with the principles of the Declaration of Helsinki. The Swedish Ethical Review Authority approved the study (reference number 2019–04636).
: The Swedish Ethical Review Authority approved the study (reference number 2019–04636) and confirmed that no written consent was required for this observational study. The research participants provided informed consent for publication of images.