advertising agencies, namely promoting the goods and services of pharmaceutical manufacturers and distributors, healthcare providers, health insurance underwriters and administrators, preferred provider plans, healthcare-related professional associations, medical research companies, and other producers and providers of healthcare-related goods and services through the preparation and distribution of printed, audio, computer based, and video promotional materials and by rendering sales promotion and marketing advice; consultation in the field of advertising and marketing of healthcare-related goods and services; healthcare utilization services, namely, promoting compliance by healthcare patients with prescribed medication and treatment; recruitment of persons to serve as subjects in medical research studies; telemarketing services in the healthcare field; organizing, managing, and promoting for others professional business meetings in the healthcare field; public relations services in the healthcare field; and marketing services for providers of healthcare-related goods and services, namely, brand naming, brand development, creation of brand identity, brand graphics, and brand licensing