Updates are available Correction dated 2022-06-06

Article History

Received: 13 July 2021

Accepted: 21 October 2021

First Online: 3 November 2021

Change Date: 6 June 2022

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s12889-022-13437-w

Declarations

:

: The study was performed in accordance with the Declaration of Helsinki. The study and the consent procedure were approved by the Regional Ethical Committee in Uppsala, Sweden (reference number 2007–281). Informed consent was obtained from all participants. An information letter sent together with the questionnaire stated that if the subjects answered and returned the questionnaire it meant they had given informed consent.

: Not applicable.

: The authors declare that they have no competing interests.