title: Retraction.
authors.affiliation: Trans Tech Pharmaceuticals, 4170 Mendenhall Oaks Parkway, High Point, NC 27265, USA.
authors.forename: Stephen T
authors.initials: ST
authors.lastname: Davis
authors.forename: Bill G
authors.initials: BG
authors.lastname: Benson
authors.forename: H Neal
authors.initials: HN
authors.lastname: Bramson
authors.forename: Dennis E
authors.initials: DE
authors.lastname: Chapman
authors.forename: Scott H
authors.initials: SH
authors.lastname: Dickerson
authors.forename: Karen M
authors.initials: KM
authors.lastname: Dold
authors.forename: Derek J
authors.initials: DJ
authors.lastname: Eberwein
authors.forename: Mark
authors.initials: M
authors.lastname: Edelstein
authors.forename: Stephen V
authors.initials: SV
authors.lastname: Frye
authors.forename: Robert T
authors.initials: RT
authors.lastname: Gampe
authors.forename: Robert J
authors.initials: RJ
authors.lastname: Grifffen
authors.forename: Philip A
authors.initials: PA
authors.lastname: Harris
authors.forename: Anne M
authors.initials: AM
authors.lastname: Hassell
authors.forename: William D
authors.initials: WD
authors.lastname: Holmes
authors.forename: Robert N
authors.initials: RN
authors.lastname: Hunter
authors.forename: Victoria B
authors.initials: VB
authors.lastname: Knick
authors.forename: Karen
authors.initials: K
authors.lastname: Lackey
authors.forename: Brett
authors.initials: B
authors.lastname: Lovejoy
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Luzzio
authors.forename: Doris
authors.initials: D
authors.lastname: Murray
authors.forename: Patricia
authors.initials: P
authors.lastname: Parker
authors.forename: Warren J
authors.initials: WJ
authors.lastname: Rocque
authors.forename: Lisa
authors.initials: L
authors.lastname: Shewchuk-Chapman
authors.forename: James M
authors.initials: JM
authors.lastname: Veal
authors.forename: Duncan H
authors.initials: DH
authors.lastname: Walker
authors.forename: Lee F
authors.initials: LF
authors.lastname: Kuyper