[1] Univ Hosp & Med Fac, Heinrich Heine Univ Duesseldorf, Dept Obstet & Gynecol, Dusseldorf, Germany
[2] Univ Hosp & Med Fac Heinrich Heine Univ Duesseldo, Gen Visceral & Pediat Surg, Dusseldorf, Germany
[3] Swiss Fed Inst Technol, Dept Biosystems Sci & Engn, Basel, Switzerland
[4] Univ Hosp & Med Fac, Heinrich Heine Univ Duesseldorf, Inst Pathol, Dusseldorf, Germany
[5] Univ Hosp & Med Fac, Heinrich Heine Univ Duesseldorf, Dept Diagnost & Intervent Radiol, Dusseldorf, Germany