1. General Chemical State Laboratory of Greece, 11521 Athens, Greece
2. Department of Cardiology, University Hospital of Larissa, Mezourlo, 41110 Larissa, Greece
3. Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, Heraklion, 71003 Crete, Greece
4. Spiliopoulio General Hospital ‘Agia Eleni’, Ampelokipi, 11521 Athens, Greece
5. Pathology and Physiology Department, Laikon Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
6. Department of Pediatric Cardiology, Onasseio Cardiac Surgery Center, Kallithea, 17674 Athens, Greece
7. Department of Virology, Medical School, University of Crete, Heraklion, 71003 Crete, Greece
8. Department of Medical Laboratories Technology, Technological Educational Institute of Athens, 12243 Aigaleo, Greece
9. Center for Adolescent Medicine and UNESCO Chair on Adolescent Health Care, First Department of Pediatrics, Medical School, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital, 11527 Athens, Greece