Creative Commons Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/

You are free to use, share, adapt, and use these symbols commercially — including in
schools, clinics and NDIS services — provided you give attribution.

Required attribution:
  "Anan symbols © Vispire Corp, licensed CC BY 4.0 (creativecommons.org/licenses/by/4.0)."
