*3rd Department of Pediatrics, “Attikon” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece;

†2nd Department of Pediatrics, Athens General Children's Hospital “Pan. & Aglaia Kyriakou,” Athens, Greece;

‡MSc Program “Strategies of Developmental and Adolescent Health,” Medical School of Athens, National and Kapodistrian University of Athens, Athens, Greece;

§Department of Clinical Therapeutics, “Alexandra” Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece;

‖Department of Public Health Policy, School of Public Health, University of West Attica, Athens, Greece.

Address for reprints: Artemis K. Tsitsika, PhD, MSc Program “Strategies of Developmental and Adolescent Health,” Medical School of Athens, National and Kapodistrian University of Athens, Greece 15, Mesogeion Avenue, Athens 11527, Greece; e-mail: [email protected].

Disclosure: The authors declare no conflict of interest.

A. Kontakou, G. Dimitriou, T. N. Sergentanis, and A. Tsitsika contributed equally to the manuscript.