Wändell, Per http://orcid.org/0000-0001-5169-2965
Fredrikson, Sten
Carlsson, Axel C.
Li, Xinjun
Sundquist, Jan
Sundquist, Kristina
Funding for this research was provided by:
Vetenskapsrådet (2014-02517)
Article History
Received: 10 August 2020
Accepted: 21 January 2021
First Online: 30 January 2021
Declarations
:
: The authors declare no competing interests.
: 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. Informed consent was not applicable, as the study was based on anonymized data from registers. Research data are not shared. The study was approved by the Regional Ethical Review Board in Lund (ref nr 2012/795).
: None.