Funding for this research was provided by:
the Swedish Ministry of Health and Social Affairs
the Skåne Regional Council
the Swedish Medical Research Council (2017-01613; 2017-00639, 2017-01613; 2017-00639)
Received: 30 May 2021
Accepted: 4 August 2021
First Online: 21 September 2021
: The GÅS study is conducted in accordance with the Declaration of Helsinki, and was approved by the Regional Ethics Committee at Lund University (registration no. LU 744-00). Written informed consent was obtained from either the participants or, when necessary, from relatives.
: Not applicable.
: The authors declare that they have no competing interests.