title: Response.
authors.affiliation: San Francisco Veterans Affairs Medical Center, University California San Francisco, San Francisco, California, USA.
authors.forename: Tonya
authors.initials: T
authors.lastname: Kaltenbach
authors.affiliation: San Francisco Veterans Affairs Medical Center, University California San Francisco, San Francisco, California, USA.
authors.forename: Kenneth R
authors.initials: KR
authors.lastname: McQuaid
authors.affiliation: Singapore General Hospital, Duke-National University Singapore, Singapore.
authors.forename: Roy
authors.initials: R
authors.lastname: Soetikno