Diamantopoulou, Eleni
Barbouni, Anastasia
Merakou, Kyriakoula
Lagiou, Areti
Farsalinos, Konstantinos http://orcid.org/0000-0001-6839-4710
Article History
Received: 29 October 2018
Accepted: 13 December 2018
First Online: 11 January 2019
Compliance with ethical standards
:
: The authors report no conflicts of interest for the past 36 months.
: The study was approved by the ethics committee of the National School of Public Health in Athens, Greece.
: All participants signed a written informed consent before participating to the study.