Wilson, E, Free, C, Morris, TP, Syred, J, Ahamed, I, Menon-Johansson, AS, Palmer, MJ, Barnard, S, Rezel, E and Baraitser, P (2017). S1 Data for "Internet-accessed sexually transmitted infection (e-STI) testing and results service: A randomised, single-blind, controlled trial". [Data Collection]. PLOS Medicine. https://doi.org/10.1371/journal.pmed.1002479