1. Department of Plastic and Reconstructive Surgery, 401 General Military Hospital of Athens, 11525 Athens, Greece
2. First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
3. Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 M. Asias Street, 11527 Athens, Greece