Evangelia Zampeli1, Fotini N Skopouli2, Haralampos M Moutsopoulos3. 1. Institute for Autoimmune Systemic and Neurological Disorders; zampelieva@gmail.com. 2. Department of Internal Medicine and Clinical Immunology, Euroclinic Hospital. 3. Institute for Autoimmune Systemic and Neurological Disorders, and Academy of Athens, Athens, Greece.