title: The authors reply.
authors.affiliation: Centre for Heart Lung Innovation, University of British Columbia, Vancouver, BC, Canada, and Ramathibodi Hospital, Faculty of Medicine, Mahidol University, Bangkok, Thailand; Centre for Heart Lung Innovation, University of British Columbia, Vancouver, BC, Canada.
authors.forename: Chawika
authors.initials: C
authors.lastname: Pisitsak
authors.forename: Keith R
authors.initials: KR
authors.lastname: Walley