Kennedy, Shelby L. https://orcid.org/0000-0002-7135-221X
Jack, Susan M.
Johnson, Natasha
Couturier, Jennifer
Rae, Charlene
Klassen, Anne F.
Funding for this research was provided by:
Canadian Institutes for Health Research (CIHR) Sex and Gender Science Chair (GSL–171376)
Article History
Received: 25 February 2025
Accepted: 21 August 2025
First Online: 15 September 2025
Declarations
:
: Anne F. Klassen provides research consulting services to the pharmaceutical industry through EVENTUM Research (Hamilton, ON, Canada). The other authors have no conflicts of interest.
: Ethics approval was obtained from the coordinating site (Hamilton Integrated Research Ethics Board; project ID #11103) and the collaborating site in Canada (Children’s Hospital of Eastern Ontario Research Ethics Board; project ID #22/41X). Research ethics boards at the two collaborating sites in the USA determined that local ethics approval was not required.
: All participants provided written consent to participate before data generation and verbal consent at the time of data generation. Requirements for parental consent varied between sites; parents/caregivers provided consent for their child to participate when required.
: Participants (and their parents/caregivers, when required) provided written consent for the research team to use the photos of their timeline activities in publications.
: Not applicable.
: Shelby L. Kennedy: conceptualization, formal analysis, investigation, methodology, project administration, visualization, writing—original draft, writing—review and editing. Susan M. Jack: conceptualization, methodology, supervision, writing—review & editing. Natasha Johnson: methodology, supervision, writing—review & editing. Jennifer Couturier: supervision, writing—review & editing. Charlene Rae: conceptualization, methodology, supervision, writing—review & editing. Anne F. Klassen: conceptualization, funding acquisition, methodology, project administration, supervision, writing—review & editing.