title: Reply.
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina Centro Hospitalar de Lisboa Central Lisbon, Portugal.
authors.forename: J
authors.initials: J
authors.lastname: Ramalho
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina.
authors.forename: R C
authors.initials: RC
authors.lastname: Semelka
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina Hospital Garcia de Orta Almada, Portugal.
authors.forename: M
authors.initials: M
authors.lastname: Ramalho
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina Santa Casa de Misericórdia de São Paulo São Paulo, Brazil.
authors.forename: R H
authors.initials: RH
authors.lastname: Nunes
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina King Faisal Specialist Hospital and Research Center Riyadh, Saudi Arabia.
authors.forename: M
authors.initials: M
authors.lastname: AlObaidy
authors.affiliation: University of North Carolina Hospital Chapel Hill, North Carolina.
authors.forename: M
authors.initials: M
authors.lastname: Castillo