1. Department of Clinical Therapeutics; National and Kapodistrian University of Athens, School of Medicine
2. 2nd Department of Internal Medicine; National and Kapodistrian University of Athens, School of Medicine
3. Nephrology Department and Renal Transplant Unit; National and Kapodistrian University of Athens, School of Medicine, Laiko General Hospital
4. Department of Nephrology; “Evangelismos” General Hospital; Athens Greece
5. 1st Department of Pathology; National and Kapodistrian University of Athens, School of Medicine
6. Department of Haemopathology; “Evangelismos” Hospital; Athens
7. Department of Clinical Biochemistry; “Aghia Sophia” Children's Hospital; Athens