42 Maintenance of computer software; installation and set-up of medical devices and computer software; computer technology support services, namely, help desk services; technical support services, namely, troubleshooting in the nature of diagnosing technical problems with medical imaging equipment, and related computer software problems and repair of medical imaging equipment software; design and development of imaging protocol parameter systems; support and development of pulse sequences; clinical support in the nature of computer technology support services, namely, providing computer technology support services to clinicians in respect of use of medical equipment and associated software