@article{tamura2013,
  title={MEGA6: Molecular Evolutionary Genetics Analysis Version 6.0},
  author={Koichiro Tamura and Glen Stecher and Daniel S. Peterson and Alan Filipski and Sudhir Kumar},
  year={2013},
  journal={Molecular Biology and Evolution},
  doi={10.1093/molbev/mst197},
  url={https://doi.org/10.1093/molbev/mst197}
}