Citation
If you publish research that uses hivtrace you have to cite it as follows:
Kosakovsky Pond SL, Weaver S, Leigh Brown AJ, Wertheim JO. HIV-TRACE (TRAnsmission Cluster Engine): a Tool for Large Scale Molecular Epidemiology of HIV-1 and Other Rapidly Evolving Pathogens. Mol Biol Evol. 2018 Jul 1;35(7):1812-1819. http://doi.org/10.1093/molbev/msy016