1. ISTM CTH (Certificate of Travel Health) , Chemin des Croix-Rouges 12, Lausanne CH-1007 , Switzerland
2. Emergency Department, Lausanne University Hospital and University of Lausanne , Rue du Bugnon 46, Lausanne CH-1011 , Switzerland
3. Policlinic of Tropical , Travel Medicine and Vaccination, Centre for Primary Care and Public Health, Unisanté, , Rue du Bugnon 44, Lausanne CH-1011 , Switzerland
4. University of Lausanne , Travel Medicine and Vaccination, Centre for Primary Care and Public Health, Unisanté, , Rue du Bugnon 44, Lausanne CH-1011 , Switzerland