Practical steps to improve chronic hepatitis C treatment in people with opioid use disorder - Roncero, Carlos (Psychiatric Service, University of Salamanca Health Care Complex, Institute of Biomedicine of Salamanca, University of Salamanca) ; Ryan, Pablo (Hospital General Universitario Gregorio Marañón. Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM)) ; Littlewood, Richard (applied strategic) ; Macías, Juan (Hospital Universitario Virgen de Valme (Sevilla, Andalusia)) ; Ruiz, Juan (Provincial Center of Drug Addiction) ; Seijo, Pedro (Addiction Treatment Center of Villamartín) ; Palma-Álvarez, Raúl Felipe (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal) ; Vega, Pablo (Institute of Addictions)