Martin L. Decaris, Kelvin W. Li, Claire L. Emson, Michelle Gatmaitan, Shanshan Liu, Yenny Wang, Edna Nyangau, Marc Colangelo, Thomas E. Angel, Carine Beysen, Jeffrey Cui, Carolyn Hernandez, Len Lazaro, David A. Brenner, Scott M. Turner, Marc K. Hellerstein, Rohit Loomba – 5 October 2016 – Excess collagen synthesis (fibrogenesis) in the liver plays a causal role in the progression of nonalcoholic fatty liver disease (NAFLD). Methods are needed to identify patients with more rapidly progressing disease and to demonstrate early response to treatment.