Acknowledgements
The authors thank the staff at the New York State Cancer Registry for providing the NYS data, Erin Roberts for studentship during preliminary analysis, and Dr. Lydia B. Zablotska, for her advice.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article online at https://doi.org/10.1080/10428194.2017.1403025.