The secretary shall appoint a Research Advisory Committee of nine members, one of whom shall be the Commissioner of Mental Health, who shall be its chairman. In appointing such committee, the secretary shall select one representative from each of the following six medical schools, colleges or mental institutions having an active research department: The School of Medicine of Temple University, the School of Medicine of the University of Pennsylvania, the Pennsylvania State University, the School of Medicine of the University of Pittsburgh, the Eastern Pennsylvania Psychiatric Institute and Carnegie Institute of Technology. The Research Advisory Committee, subject to approval of the board, shall choose and supervise the projects to be undertaken by the foundation. The members of the Research Advisory Committee shall not be entitled to any compensation for their services as members but shall be entitled to reimbursement for all necessary expenses incurred in connection with the performance of their duties as members. The programs of research and of training men in the field of mental health shall be carried out only in Commonwealth institutions under the jurisdiction of the department. This section shall not be construed to prevent ancillary research or training outside of these institutions so long as the primary program in connection with which the ancillary research or training is undertaken is conducted within a Commonwealth institution.