Cavallini, Grasiele Soares
de Sousa Vidal, Carlos Magno
de Souza, Jeanette Beber
de Campos, Sandro Xavier
Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (BR) (Project 482181/2011-7)
SANEPAR - Sanitation Company of the State of Paraná, Brazil