title: Who and where?
authors.affiliation: Clinical professor, Department of Orthodontics, University of Pennsylvania, Philadelphia, Pa; private practice, Philadelphia, Pa.
authors.forename: Peter M
authors.initials: PM
authors.lastname: Greco
mesh_terms: D002983:Clinical Competence; D003812:Dentist-Patient Relations / Q000941:ethics; D003815:Dentists / Q000941:ethics*; D005260:Female; D006801:Humans; D000066792:Orthodontists; D012017:Referral and Consultation / Q000941:ethics*; D014087:Tooth Movement Techniques / Q000941:ethics* / Q000592:standards