title: Letter of retraction.
authors.affiliation: University of Alabama at Birmingham, Birmingham, AL, USA.
authors.forename: Clement  K
authors.initials: C
authors.lastname: Asiedu
authors.forename: Karen  J
authors.initials: K
authors.lastname: Goodwin
authors.forename: Gansuvd
authors.initials: G
authors.lastname: Balgansuren
authors.forename: Stacie M
authors.initials: SM
authors.lastname: Jenkins
authors.forename: Stéphanie
authors.initials: S
authors.lastname: Le Bas-Bernardet
authors.forename: Uuganbayar
authors.initials: U
authors.lastname: Jargal
authors.forename: Judith  M
authors.initials: J
authors.lastname: Thomas
authors.forename: David M
authors.initials: DM
authors.lastname: Neville