Wändell, Per
Norrman, Anders
Eriksson, Julia
Ivarsson, Charlotte
Gudjonsdottir, Hrafnhildur
Hagströmer, Maria
Lundh, Lena
Hasselström, Jan
Brynedal, Boel
Sandlund, Christina
Carlsson, Axel C.
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 19 September 2024
Accepted: 13 January 2025
First Online: 25 January 2025
Declarations
:
: This study received ethical approval from Zhongshan Hospital, Fudan University (B2021-605). The online questionnaire includes a checkbox for respondents to make sure whether they give their voluntary informed consent before their involvement. The study was conducted in accordance with the Declaration of Helsinki. All authors gave their consent for publication. Ethical approval was obtained from the Ethics Review Authority, number 2020–07076 with an amendment 2121-06102-02. Consent to Participate declarations from the participants were not applicable as we used data from health record register, however, the use of these data was approved from Ethics Review in Stockholm.
: The authors declare no competing interests.