This is Kitt and I agree, you may see a difference not only between countries but between regions of a country and medical centers.
I believe it is wise to make sure you are a well informed consumer. I know this does not give you the definitive answer you were looking for for but I hope it helps in some small way. This is just my humble opinion.
Take care of you
Moderator Anxiety ~ Panic Disorders
*~* Not a mental health professional at all *~*
Dx: Anxiety/Panic, Depression, GERD, Osteoarthritis
*Wife of a Crohnie*