The Chief Medical Examiner, with the approval of the Commission on Medicolegal Investigations, shall appoint a deputy who shall perform all the duties of the Chief Medical Examiner in case of the Chief Medical Examiner’s sickness or absence and such associate medical examiners, assistant medical examiners, pathologists, toxicologists, laboratory technicians and other professional staff as the commission may specify. The commission in advance of appointments shall specify the qualifications required for each position in terms of education, experience and other relevant considerations. The commission shall submit recommendations concerning (1) the Deputy Chief Medical Examiner’s salary and annual increments to such salary, and (2) the salaries and compensation of other professional staff to the Commissioner of Administrative Services for review and approval pursuant to section 4-40. The Chief Medical Examiner, the Deputy Chief Medical Examiner, associate medical examiners, and assistant medical examiners shall take the oath provided by law for public officers. Other staff members as determined by the commission shall be appointed by the Chief Medical Examiner, subject to the provisions of chapter 67 and the rules of the commission not inconsistent therewith.