41 Educational and training services, namely, conducting classes, seminars, conferences, and workshops in the field of health; organization of seminars, conferences and congresses in the field of health; publishing of journals, books and guides in the field of health; educational services, namely, training services in the field of health and dissemination of educational materials, namely, courseware, books, articles, workbooks, CDs, DVDs, podcasts, guidebooks, and audio and audiovisual recordings made on digital media in connection therewith