1. Nuclear Physician, Assistant Professor of Nuclear Medicine, School of Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Greece.
2. Molecular Biologist, Molecular Biology & Genetics, Democritus University of Thrace, Greece
3. Internist-Oncologist, Director of the Oncology Department, "Hippokrateion" University General Hospital of Athens, Athens, Greece.
4. Pathologist, Professor of Histology and Embryology, Director of Histology–Embryology Lab, School of Medicine, Democritus University of Thrace, Greece.
5. Nuclear Physician, Professor of Nuclear Medicine, Director of the Nuclear Medicine Department, School of Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Greece.