Mupirocin resistant and MRSA

Is mupirocin resistance associated with MRSA?

If they are associated, why would they be associated?
 * Places with higher rates of environmental methicillin probably also have higher rates of mupirocin use.
 * Genetically, separate mechanisms may be linked
 * Mechinisms of resistance may have same genetic backbone

In 1991, Lamb mentions that Casewell (1985) did not find any cross-resistance between mupriocin and multiply resistance antibiotics.