@article\{Persi2018,
 author={Erez Persi and  Yuri I. Wolf and  Mark D. M. Leiserson and  Eugene V. Koonin and  Eytan Ruppin},
 title={{Criticality in tumor evolution and clinical outcome}},
 journal={Proceedings of the National Academy of Sciences of the United States of America},
 volume={115},
 number={47},
 pages={E11101--E11110},
 year={2018}
}