1 Centre for Infectious Diseases, Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany; Institute for Hygiene and Public Health, University of Bonn, Bonn 53127, Germany. Electronic address: [email protected].
2 Centre for Infectious Diseases, Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany.
3 Department of Internal Medicine, Division of Infectious Diseases, Medical Center, University of Nebraska, Omaha, NE, USA.
4 Division of Infectious Diseases and Centre for Clinical Research, Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland.
5 Division of Infection and Global Health Research, School of Medicine, University of St Andrews, St Andrews, UK.
6 Centre for Infectious Diseases, Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany; Institute for Hygiene and Public Health, University of Bonn, Bonn 53127, Germany.