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Article History

Received: 22 June 2017

Accepted: 5 February 2018

First Online: 17 February 2018

Authors’ information

: Lantonirina R: Medical doctor, Master in Public Health, PhD student in Public health, assistant researcher at the “Institut National de Santé Publique et communautaire, Antananarivo, Madagascar” and at the faculty of Médicine of the University of Antananarivo Madagascar.Lalhyss R: Master in community nutrition, team of the Nutrition Department of the Ministry of Health Madagascar.JR: Medical doctor, PhD in Public health, Professor at the faculty of Médicine of the University of Antananarivo Madagascar and at the “Institut National de Santé Publique et communautaire, Antananarivo, Madagascar”.JDMR: Medical Doctor, Associate Professor in Public health, Professor at the faculty of Médicine of the University of Antananarivo Madagascar and at the “Institut National de Santé Publique et communautaire, Antananarivo, Madagascar”.DP: Medical doctor, PhD in Public health, Professor - Center of Research in Health Policy and Systems-International Health, School of Public Health, Université Libre de Bruxelles.MWD: Master in Science (Physics), PhD in Public health, Professor - Center for Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université Libre de Bruxelles.

: Ethics approval was obtained from the « Comité d’Ethique du Ministère de la Santé Publique, Madagascar » before starting the study. All participants (18 years of age or older) agreed to participate voluntarily in the study and signed a consent form after receiving explanation about the objectives and the process of the study. Data collection was anonymous and confidentiality and privacy were respected.

: “Not applicable”

: “The authors declare that they have no competing interests”.

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