Whether any hospitals ran out of antiretrovirals (ARVs) (a) in the 2011-12 financial year and (b) during the period 1 April 2012 up to the latest specified date for which information is available; if so, (i) which hospital(s), (ii) what steps did his department take to ensure that (aa) ARV recipients are not negatively affected and (bb) the problem does not reoccur?