By the way it looks as though "hearing voices" is no longer sufficient in and of itself to generate the label. Plus see this tweet in response to another question:
[...] HV is not sufficent for label of SZ - SZ is not fit 4 purpose it needs to be abolished - there is no progressive brain disease— INTERVOICE (@VoicesUnLtd) July 22, 2014.
[...] HV is not sufficent for label of SZ - SZ is not fit 4 purpose it needs to be abolished - there is no progressive brain disease