[1] Infectious Diseases Medical Clinic,
[2] Humboldt University Berlin,undefined
[3] Charité/Campus Virchow Klinikum,undefined
[4] Augustenburgerplatz 1,undefined
[5] 13353 Berlin,undefined
[6] Germany e-mail: klaus.goebels@charité.de,undefined
[7] Institute of Medical Microbiology and Hygiene,undefined
[8] Humboldt University Berlin,undefined
[9] Charité/Campus Mitte,undefined
[10] Dorotheenstrasse 96,undefined
[11] 10117 Berlin,undefined
[12] Germany,undefined