1 Ministry of Health, Kigali, Rwanda; Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA 02115, USA; Geisel School of Medicine, Dartmouth College, Hanover, NH, USA. Electronic address: agnes_binagwaho@hms.harvard.edu.
2 House of Lords, London, UK; Harvard T H Chan School of Public Health, Boston, MA, USA; London School of Hygiene & Tropical Medicine, London, UK; Institute for Healthcare Improvement, Cambridge, MA, USA.