@article{torre2015,
  title={Global cancer statistics, 2012},
  author={Lindsey A. Torre and Freddie Bray and Rebecca L. Siegel and Jacques Ferlay and Joannie Lortet‐Tieulent and Ahmedin Jemal},
  year={2015},
  journal={CA A Cancer Journal for Clinicians},
  doi={10.3322/caac.21262},
  url={https://doi.org/10.3322/caac.21262}
}