Make visible the invisible: innovative strategies for the future of global health. Issue 3 (27th June 2019) - Mac-Seing, Muriel; Le Nogue, Déborah; Bagayoko, Cheick Oumar; Sy, Amy; Dumas, Jean-Luc; Dunbar, Willy; Sicotte, Claude; Nordlinger, Bernard; de Gaudemar, Jean-Paul; Maouche, Rachida; Flahault, Antoine