1. Charité – Universitätsmedizin Berlin, Institute of Tropical Medicine and International Health , Augustenburger Platz 1, 13353 Berlin, Germany
2. Charité – Universitätsmedizin Berlin, Interdisciplinary workgroup on PVL-positive S. aureus (www.pvl-abszess.de) , Berlin, Germany
3. Charité – Universitätsmedizin Berlin, Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine , Augustenburger Platz 1, 13353 Berlin, Germany
4. Charité – Universitätsmedizin Berlin, Institute of Hygiene and Environmental Medicine , Hindenburgdamm 27, 12203 Berlin, Germany
5. Charité – Universitätsmedizin Berlin, Medical Department, Division of Gastroenterology, Infectious Diseases and Rheumatology (including Nutritional Medicine) , Hindenburgdamm 30, 12203 Berlin, Germany
6. Medical Microbiology and Hygiene , Department of Infectious Diseases, , Im Neuenheimer Feld 324, 69120 Heidelberg, Germany
7. University Hospitals , Department of Infectious Diseases, , Im Neuenheimer Feld 324, 69120 Heidelberg, Germany
8. Heidelberg Institute of Global Health (HIGH), University Hospitals , Im Neuenheimer Feld 130/3, 69120 Heidelberg, Germany