Watson, Jessica
Lee, Marissa
Garcia-Casal, Maria Nieves
Article History
First Online: 17 April 2018
Compliance with Ethical Standards
:
: Maria Nieves Garcia-Casal is a full staff member of the World Health Organization (WHO). WHO gratefully acknowledges the financial contribution of the Bill & Melinda Gates Foundation, USA. Jessica Watson, Marissa Lee and Maria Nieves Garcia-Casal declare no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.
: The authors alone are responsible for the views expressed in this article and they do not necessarily represent the views, decisions or policies of the institutions with which they are affiliated.