41 Educational services, namely, conducting classes, seminars, conferences, workshops, and symposia in the fields of cancer and neoplastic diseases; publishing of electronic publications; publication of electronic journals, books, articles, periodicals, and abstracts online; providing online non-downloadable electronic publications, namely, journals, books, articles, periodicals, and abstracts in the field of cancer and neoplastic diseases; providing classes, online classes, seminars, conferences, symposia, and workshops for the exchange and diffusion of information and ideas relating to cancer and neoplastic diseases; providing training in the practice of clinical research and medical care of patients with cancer and neoplastic diseases, and providing course materials in connection therewith; publishing of books and journals in the field of cancer and neoplastic diseases