title: Don't step on our 2007 citation footprint (CF).
authors.affiliation: Center for the Biology of Natural Systems, Queens College - CUNY, 163-03 Horace Harding Expressway, Flushing, NY 11365, USA.
authors.forename: Alfredo
authors.initials: A
authors.lastname: Morabia
authors.forename: Michael C
authors.initials: MC
authors.lastname: Costanza
mesh_terms: D003246:Conservation of Energy Resources; D006801:Humans; D055811:Journal Impact Factor; D010506:Periodicals as Topic; D011315:Preventive Medicine