Funding

This work was supported by a K08 award to Dr. Niznik from the National Institutes on Aging (1K08AG071794).

Conflict of interest

All authors have no conflicts of interest or other disclosures to report.

Ethics approval

This study was reviewed and approved by the institutional review board of the University of North Carolina at Chapel Hill.

Consent to participate

Informed consent was obtained from all individual participants included in interviews.

Consent for publication

No identifying information is contained in this article and all participants provided informed consent regarding the potential publication of de-identified responses.

Availability of data and materials

De-identified data are available upon reasonable request to the principal investigator.

Code availability

Not applicable.

Author contributions

Study concept and design: Fasth, Niznik. Data collection and management: Fasth, Kelley, Niznik. Analysis and interpretation: Fasth, Kelley, Colon-Emeric, Thorpe, Gilliam, Lund, Hanson, Niznik. Manuscript writing: Fasth, Kelley, Colon-Emeric, Green, Thorpe, Gilliam, Lund, Hanson, Niznik. Critical review of manuscript: Fasth, Kelley, Colon-Emeric, Green, Thorpe, Gilliam, Lund, Hanson, Niznik