1. Renal Transplantation Unit, Laiko General Hospital, 11527 Athens, Greece
2. N.S. Christeas Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
3. Department of Obstetrics and Gynecology, University Erlangen, Universitaetsstrasse 21–23, 91054 Erlangen, Germany
4. First Department of Propedeutic Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
5. Second Department of Propedeutic Surgery, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
6. Department of of Obstetrics and Gynecology, Democritus University of Thrace, 68100 Alexandroupolis, Greece
7. Department of Cytopathology, Sismanogleio General Hospital, 15126 Athens, Greece
8. Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
9. Department of Surgery, Evgenideio Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
10. Department of General Surgery and HPB Surgery of Adults and Children, Hygeia Hospital, 15123 Athens, Greece
11. Department of Hygiene, Epidemiology and Medical Statistics, National and Kapodistrian University of Athens, 11527 Athens, Greece