(1) What are the (a)(i) actual and (ii) optimal staffing levels at each medical school and (b) categories for each position; (2) whether any posts have been vacant for (a) longer than (i) 6-12 and (ii) 12-24 months and (b) more than 24 months; if so, (aa) which posts, (bb) at which medical schools and (cc) for which category; (3) (a) what steps are being taken to fill all posts and (b) by when will each post be filled?