Authors: Victoria R Rendell; Robert H Gilman; Edward Valencia; Gerson Galdos-Cardenas; Manuela Verastegui; Leny Sanchez; Janet Acosta; Gerardo Sanchez; Lisbeth Ferrufino; Carlos LaFuente; Maria del Carmen Abastoflor; Rony Colanzi; Caryn Bern Journal: PLoS One Date: 2015-03-25 Impact factor: 3.240