1. Infectious and Tropical Disease Unit, Hôpital Nord AP-HM, Marseille, France
2. Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
3. Infectious and Tropical Disease Unit, Hôpital Pitié-Salpêtrière, Paris, France
4. Infectious and Tropical Disease Unit, Military Hospital Lavéran, Marseille, France
5. Oslo University Hospital, Ullevål, Department of Infectious Diseases, Oslo, Norway
6. Division of International and Humanitarian Medicine, Geneva University Hospitals, Geneva, Switzerland
7. Zurich University, WHO collaborative Centre for Travel Medicine, Zurich, Switzerland
8. Infectious and Tropical Disease Unit, University of Brescia, Brescia, Italy
9. Traveler Health Clinic, Wiliam C. Gorgas Center for Geographic Medicine, Division of Infectious Diseases, University of Alabama, Birmingham, United States
10. Tropical and Infectious Disease Unit, Royal Liverpool University Hospital, Liverpool, United Kingdom
11. Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
12. ECDC collaborative network for travel and tropical medicine: http://www.istm.org/eurotravnet/main.html