title: MicroRNAs: macro challenges on understanding human biological functions and neurological diseases.
authors.affiliation: Department of Genetics, State University of Rio de Janeiro, Rio de Janeiro, Brazil. cbs@alternex.com.br
authors.forename: C B
authors.initials: CB
authors.lastname: Santos-Rebouças
authors.forename: M M G
authors.initials: MM
authors.lastname: Pimentel