The positive mental training programme was developed by Edinburgh GP Dr Alastair Dobbin and Sheila Ross, a public health specialist, and has been endorsed by the Royal College of GPs.
Industry sources told BBC political correspondent Ross Hawkins the industry-backed press regulator would not apply for formal recognition under the government's royal charter plans and it will not apply to be the official regulator.
Fraser Sneddon and Lesley Ross became the 1, 000th patients for the procedures at the Scottish Liver Transplant Unit, based at Edinburgh Royal Infirmary.