Authors
Fernando L.C. Martins
Sanitation Company of the State of São Paulo – SABESP, Brazil
Fabio Giordano
Department of Biology, Santa Cecilia University – UNISANTA, Brazil
Walter Barrella
Department of Biology, Santa Cecilia University – UNISANTA, Brazil
Universidade Paulista – UNIP, Instituto de Ciências da Saúde (ICS) Sorocaba – SP, Brazil