When I looked into it last year, it´s still an under-acknowledged issue. The impression I formed was that it was a bit of a crapshoot - along with some bad prac

When I looked into it last year, it´s still an under-acknowledged issue. The impression I formed was that it was a bit of a crapshoot - along with some bad practitioners, there didn´t seem to be much information on when and why it would or would not occur.