1 The Kirby Institute, UNSW Sydney, Sydney, Australia. Electronic address: jgrebely@kirby.unsw.edu.au.
2 International Network on Hepatitis in Substance Users, New York, United States.
3 School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom.
4 CRCHUM, Université de Montréal, Montréal, Canada.
5 Arud Centres of Addiction Medicine, Zurich, Switzerland.
6 Department of Infectious Diseases, Akershus University Hospital, Lørenskog, Norway.
7 Division of General Internal Medicine, Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United States.
8 Ludwig-Maximilians-University, Munich, Germany; Praxiszentrum im Tal Munich, Munich, Germany.
9 The Kirby Institute, UNSW Sydney, Sydney, Australia.