title: Response to letter.
authors.forename: Lin H
authors.initials: LH
authors.lastname: Chen
authors.forename: Elizabeth D
authors.initials: ED
authors.lastname: Barnett
authors.forename: Mary E
authors.initials: ME
authors.lastname: Wilson
authors.forename: William
authors.initials: W
authors.lastname: MacLeod
authors.forename: Emad A
authors.initials: EA
authors.lastname: Yanni
authors.forename: Winnie
authors.initials: W
authors.lastname: Ooi
authors.forename: Adolf W
authors.initials: AW
authors.lastname: Karchmer
authors.forename: Laura
authors.initials: L
authors.lastname: Kogelman
authors.forename: Nina
authors.initials: N
authors.lastname: Marano
authors.forename: Davidson H
authors.initials: DH
authors.lastname: Hamer
mesh_terms: D003951:Diagnostic Errors; D005260:Female; D006509:Hepatitis B / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008403:Mass Screening; D012698:Serologic Tests / Q000379:methods*; D057236:Travel Medicine