[1] LMU, Univ Hosp, Med Dept 2, Munich, Germany
[2] Tech Univ Munich, Inst Med Microbiol Immunol & Hyg, Munich, Germany
[3] ImevaX GmbH, Munich, Germany
[4] Miprolab GmbH, Gottingen, Germany
[5] Otto von Guericke Univ, Dept Gastroenterol Hepatol & Infect Dis, Magdeburg, Germany