35 advertising agencies, namely promoting the goods and services of pharmaceutical manufacturers and distributors, health care providers, health insurance underwriters and administrators, preferred provider plans, health care-related professional associations, medical research companies, and other producers and providers of health care-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 health care-related goods and services; health care utilization services, namely promoting and monitoring compliance by health care patients with prescribed medication and treatment; recruitment of persons to serve as subjects in medical research studies; telemarketing services in the health care field; organizing, managing and promoting for others, professional business meetings in the health care field; and public relations services in the health care field