Recruiting and enrolling subjects for medical and scientific research and clinical trials and studies; recruitment marketing services, namely, posting of notices for the purpose of recruiting subjects for participation in medical and scientific research and clinical trials and studies; business consulting services, namely, providing assistance to medical personnel in the identification, recruitment and enrollment of subjects for medical and scientific research and clinical trials and studies; advertising, marketing and promotional services in the nature of using social and digital media technology to find subjects for medical providers and to connect subjects to medical and scientific research and clinical trials and studies; business consulting and management in the field of medical and scientific research and clinical trials and studies, namely, management and compilation of computerized databases featuring potential subjects for medical and scientific research and clinical trials and studies for business purposes