Financing of international collective action for epidemic and pandemic preparedness - Gavin Yamey; Marco Schäferhoff; Ole Kristian Aars; Barry Bloom; Dennis Carroll; Mukesh Chawla; Victor Dzau; Ricardo Echalar; Indermit Singh Gill; Tore Godal; Sanjeev Gupta; Dean Jamison; et al. (The Lancet Global Health, 2017)