1. Department of Infectious Diseases, University Hospital of Bern, and Institute for Infectious Diseases, University of Bern, Bern, Switzerland
2. Institute of Medical Microbiology and Hygiene, University of Ulm, Ulm, Germany
3. National Institute of Health Department of Infectious Diseases, Lisbon, Portugal
4. Institute of Medical Microbiology, University Hospital of Münster, Münster, Germany
5. Microbiology and Immunology Department, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
6. Clinic and Polyclinic of Pediatrics and Adolescent Medicine, Technische Universität Dresden (Carl Gustav Carus University Hospital), Dresden, Germany