1 Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA. [email protected].
2 Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
3 Johns Hopkins University School of Medicine, Baltimore, MD, USA.
4 Universidad Pontificia Bolivariana, Medellin, Colombia.
5 Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
6 RTI International, Research Triangle Park, NC, USA.
7 Liver Unit IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Italy.
8 Division of Gastroenterology, Department of Medicine, School of Medicine, University of California, San Francisco, CA, USA.
9 Rho, Inc., Chapel Hill, NC, USA.
10 Centers for Disease Control and Prevention, Atlanta, GA, USA.
11 Vitalant Research Institute, University of California San Francisco, San Francisco, CA, USA.
12 The Royal Free Hospital, University College London Institute for Liver and Digestive Health, London, UK.
13 Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
14 Liver Center and Gastrointestinal Division, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
15 South West Liver Unit, Plymouth, PL6 8DH, UK.
16 Southampton General Hospital, University of Southampton, Southampton, UK.
17 University of Colorado, Aurora, CO, USA.
18 Department of Internal Medicine and Digestive Diseases, Centre Hospitalier Universitaire Rangueil, UMR 152, Institut de Recherche pour le Développement Toulouse 3 University, Toulouse, France.