1 Infection Control Programme and WHO Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, 4 Rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland.
2 Institute of Global Health, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
3 Faculty of Health Sciences, University of Malta, Msida, Malta.
4 Hotel-Dieu de Lévis, Lévis, Canada.
5 Department of Public Health, University of Guadalajara, Guadalajara, Jalisco, Mexico.
6 Corporación Sanitaria Parc Taulí de Sabadell, Barcelona, Spain.
7 Hospital Universitario Principe de Asturias, Madrid, Spain.
8 Universidad Anáhuac, Naucalpan de Juárez, Mexico.
9 Department of Social Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
10 Hospital Nacional de Niños, de Costa Rica Dr. Carlos Sáenz Herrera, San José, Costa Rica.
11 Ministry of Health, Riyadh, Saudi Arabia.
12 Department of Pediatrics and Hand Hygiene and Infection Control Research Center, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
13 Infection Control Africa Network, Unit of IPC, Tygerberg Hospital, Cape Town, South Africa.
14 Department of Statistics and Operations Research, Faculty of Science, University of Malta, Msida, Malta.
15 Infection Prevention and Control Global Unit, Department of Service Delivery and Safety, World Health Organization, Geneva, Switzerland.
16 Department of Infectious Diseases, Centro Hospitalar Lisboa Norte and Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
17 Infection Control Programme and WHO Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, 4 Rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland. didier.pittet@hcuge.ch.