Development and Validation of the Mexican Public Open Spaces Tool (MexPOS).

Public open spaces (POS) are "publicly owned spaces such as parks, green areas, squares, marketplaces, streets and highways which are of public access". Some attributes could increase or decrease participants' attendance. Thus, reliable and valid audit tools are needed in order to measure these attributes.

[Use of social marketing to increase water consumption among school-age children in Mexico City].

Objective: To increase water consumption in school children in Mexico City through a social marketing intervention.

Materials And Methods: Cluster quasi-experimental design. Intervention of three months in schools, including water provision and designed based on social marketing.