Classical fever of unknown origin in 21 countries with different economic development: an international ID-IRI study

Hakan Erdem; Magdalena Baymakova; Sevil Alkan; Amel Letaief; Wissal Ben Yahia; Farouq Dayyab; Entela Kolovani; Svjetlana Grgic; Federica Cosentino; Imran Hasanoglu; Reham Khedr; Andrea Marino; Abdullah Umut Pekok; Fatma Eser; Jurica Arapovic; Hatice Rahmet Guner; Ionela-Larisa Miftode; Kostadin Poposki; Gamze Sanlidag; Alper Tahmaz; Oguz Resat Sipahi; Egidia Gabriela Miftode; Serkan Oncu; Meliha Cagla-Sonmezer; Syam Kumar Addepalli; Ilad Alavi Darazam; Hema Prakash Kumari; Meliha Meriç Koc; Meela Ranjith Kumar; Suresh Babu Sayana; Ahmed Ashraf Wegdan; Fatma Amer; Mehmet Resat Ceylan; Amani El-Kholy; Taylan Onder; Hamed Azhdari Tehrani; Atousa Hakamifard; Bircan Kayaaslan; Ghaydaa Shehata; Hulya Caskurlu; Nagwa Mostafa El-Sayed; Seyed Erfan Mortazavi; Mohammad Pourali; Umran Elbahr; Sholpan Kulzhanova; Tarkan Yetisyigit; Sahar Ahmed Saad; Yasemin Cag; Gulden Eser-Karlidag; Natalia Pshenichnaya; Maya Belitova; Nasim Akhtar; Fahad Al-Majid; Muge Ayhan; Mumtaz Ali Khan; Massimiliano Lanzafame; Mateja Jankovic Makek; Emmanuel Nsutebu; Antonio Cascio; Emine Kubra Dindar-Demiray; Emine Unal Evren; Rama Kalas; Ayşe Kaya Kalem; Rusmir Baljić; Aamer Ikram; Selcuk Kaya; Anna Liskova; Balint Gergely Szabo; Bilal Ahmad Rahimi; Esmeray Mutlu-Yilmaz; Alper Sener; Jordi Rello