There may be some benefit to sanctioned versus unsanctioned. I'm not sure if that's true but it may well be so. But still, the basic premise of intentionally striking people's heads is something that the CMA is opposed to and that many physicians are opposed to. This still continues to be the problem that we're grappling with, sanctioned or unsanctioned.
On April 15th, 2013. See this statement in context.