title: Ancient atmospheres and the evolution of oxygen sensing via the hypoxia-inducible factor in metazoans.
authors.affiliation: UCD Conway Institute, Systems Biology Ireland and School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland. cormac.taylor@ucd.ie
authors.forename: Cormac T
authors.initials: CT
authors.lastname: Taylor
authors.forename: Jennifer C
authors.initials: JC
authors.lastname: McElwain