Information was gathered with the active collaboration of more than 40 national institutions, along with contributions from some local institutions from the provinces of Guayas and Azuay and from the cities of Guayaquil and Cuenca.
Pour ce qui est des sources d &apos; information, il convient de signaler la collaboration active d &apos; une bonne quarantaine d &apos; institutions nationales, ainsi que la contribution de certaines institutions des provinces de Guayas et d &apos; Azuay et des villes de Guayaquil et Cuenca.