Understanding adaptive responses in PrEP service delivery in Belgian HIV clinics: a multiple case study using an implementation science framework.

Vanhamel J, Reyniers T, Vuylsteke B, Callens S, Nöstlinger C, Huis In 't Veld D, Kenyon C, Van Praet J, Libois A, Vincent A, Demeester R, Henrard S, Messiaen P, Allard SD, Rotsaert A, Kielmann K