title: Reply.
authors.affiliation: Division of Human Environmental Science, Mount Fuji Research Institute, Yamanshi, Japan.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Horiuchi
authors.affiliation: Department of Biology, University of Colorado, Colorado Springs, CO, USA.|Altitude Research Center, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
authors.forename: Andrew W
authors.initials: AW
authors.lastname: Subudhi