[1] Natl & Kapodistrian Univ Athens, Aghia Sophia Childrens Hosp, Univ Res Inst Maternal & Child Hlth & Precis Med, Athens, Greece
[2] Natl & Kapodistrian Univ Athens, Aghia Sophia Childrens Hosp, UNESCO Chair Adolescent Hlth Care, Athens, Greece
[3] Hellenic Pasteur Inst, Publ Hlth Labs, Athens, Greece
[4] Univ Thessaly, Univ Hosp Larissa, Dept Microbiol, Larisa, Greece
[5] Univ Thessaly, Univ Hosp Larissa, Dept Neurol, Larisa, Greece