Citing QMCPACK

The citation papers for QMCPACK are J. Kim et al. J. Phys. Cond. Mat. 30 195901 (2018), https://doi.org/10.1088/1361-648X/aab9c3, and if space allows, P. Kent et al. J. Chem. Phys. 152 174105 (2020), https://doi.org/10.1063/5.0004860 . These papers are both open access.