Implementing pro-poor universal health coverage. Issue 1 (January 2016) - Bump, Jesse; Cashin, Cheryl; Chalkidou, Kalipso; Evans, David; González-Pier, Eduardo; Guo, Yan; Holtz, Jeanna; Htay, Daw Thein Thein; Levin, Carol; Marten, Robert; Mensah, Sylvester; Pablos-Méndez, Ariel; et al.