To cite PoPdesign in publications use:
Fu C, Zhou S (2020). “Posterior predictive design for phase I clinical trials.” Manuscript in preparation.
Corresponding BibTeX entry:
  @Article{,
    title = {Posterior predictive design for phase I clinical trials.},
    author = {Chenqi Fu and Shouhao Zhou},
    journal = {Manuscript in preparation},
    year = {2020},
  }