1 University of Zürich Centre for Travel Medicine, WHO Collaborating Centre for Travellers' Health, Epidemiology Biostatistics and Prevention Institute, Switzerland. Electronic address: patricia.schlagenhauf@uzh.ch.
2 National Travel Health Network and Centre, UCLH NHS Foundation Trust, 250 Euston Road, London, NW1 2PG, United Kingdom.
3 Grupo de Investigacion Biomedicina, Faculty of Medicine, Fundacion Universitaria Autonoma de las Americas, Pereira, Risaralda, Colombia.
4 IHU-Méditerranée Infection, Marseille, France.
5 Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers, location AMC, Amsterdam Public Health, Amsterdam Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands.
6 School of Public Health and Preventive Medicine, Monash University, Victoria, Australia.