Australian Olympic Committee officials , in November 2012 , stated that they had been unaware of the drug use ( which occurred prior to the 2012 London Olympic Games ) .
Australian Olympic Committee officials , in November 2012 , welcomed Mitcham 's recovery .
Australian Olympic Committee officials , in November 2012 , stated that they had been unaware of the drug use ( which occurred prior to the 2012 London Olympic Games ) , but welcomed Mitcham 's recovery .