Impact and acceptability of HIV self-testing for trans men and trans women: A mixed-methods subgroup analysis of the SELPHI randomised controlled trial and process evaluation in En... oleh T. Charles Witzel, Talen Wright, Leanne McCabe, Michelle M. Gabriel, Aedan Wolton, Mitzy Gafos, Denise Ward, Fiona C. Lampe, Andrew N. Phillips, Roy Trevelion, Yolanda Collaco-Moraes, Justin Harbottle, Andrew Speakman, Chris Bonell, David D. Dunn, Sheena McCormack, Fiona M. Burns, Peter Weatherburn, Alison J. Rodger