title: Reply to H. Kim et al and T. Finazzi.
authors.affiliation: University of Alberta, Edmonton, Alberta, Canada wilson.roa@albertahealthservices.ca.
authors.forename: Wilson
authors.initials: W
authors.lastname: Roa
authors.affiliation: University of Alberta, Edmonton, Alberta, Canada.
authors.forename: Sunita
authors.initials: S
authors.lastname: Ghosh
authors.affiliation: Alberta Health, Edmonton, Alberta, Canada.
authors.forename: Qiaohao
authors.initials: Q
authors.lastname: Zhu
authors.affiliation: University of Alberta, Edmonton, Alberta, Canada.
authors.forename: Sarah
authors.initials: S
authors.lastname: Baker