Acknowledgements
The authors thank all those who contributed to the inclusion of cancer patients in the registries, in particular pathologists, health information technology staff in public and private healthcare institutions, as well as medical practitioners and Elisabeth Homassel for her technical assistance. French cancer registries are supported by the Institut National du Cancer (INCa) and Santé Publique France (SpF).
Author contributions
LF, FA and ASW wrote the manuscript. AG performed the statistical analysis. LF, EP, CN, ASD, and DP provided cases. All authors critically analyzed the data, reviewed the manuscript and contributed to the final version.
Disclosure statement
No potential conflict of interest was reported by the author(s).