title: Heroes.
authors.affiliation: Children's Hospital at Westmead, Sydney, New South Wales, Australia.
authors.forename: David
authors.initials: D
authors.lastname: Isaacs
mesh_terms: D000533:Altruism; D049669:History, 16th Century; D049673:History, 20th Century; D006801:Humans; D010551:Personality; D012938:Social Perception; D012945:Social Values / Q000266:history*