(a) A speech-language pathologist or audiologist shall include in every advertisement for services regulated under this Act his or her title as it appears on the license or the initials authorized under this Act.
     (b) The terms “audiology”, “audiologist”, “clinical audiologist”, “licensed audiologist”, “speech-language pathology”, “speech-language pathologist”, “clinical speech-language pathologist”, “licensed speech-language pathologist”, or any other similar term, title, abbreviation, or symbol that may indicate that the person is licensed under this Act shall not be used by any person in any communication that advertises services regulated under this Act unless he or she is licensed under this Act as a speech-language pathologist or an audiologist. An audiologist may use the term “doctor” if it also stated that he or she is a “doctor of audiology”. This subsection does not apply to a person who is exempt from licensure under this Act because he or she holds a professional educator license issued pursuant to the School Code with a special education endorsement as a teaching speech-language pathologist or with a school support personnel endorsement as a non-teaching speech-language pathologist issued prior to January 1, 2004.