1. University Research Institute of Maternal and Child Health & Precision Medicine, and UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, “Aghia Sophia” Children's Hospital, Athens, Greece.
2. Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece.
3. Laboratory of Microbiology, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece.