Correction: M2HepPrEP: study protocol for a multi-site multi-setting randomized controlled trial of integrated HIV prevention and HCV care for PWID - Valérie Martel-Laferrière; Daniel J. Feaster; Lisa R. Metsch; Bruce R. Schackman; Christine Loignon; Bohdan Nosyk; Hansel Tookes; Czarina N. Behrends; Nelson Arruda; Oluleye Adigun; Marie-Eve Goyer; Michael A. Kolber; et al. (Trials, 2022)