By Russell Myers The world renowned hospital where the Princess of Wales was treated has launched an investigation over claims staff attempted to access her private medical records. Bosses have launched a probe into the claims Kate’s confidentiality was breached while she was a patient in The London Clinic in January. At least one member of staff was said to have been caught trying to access the 42-year-old’s notes. The allegations has sent shock waves through the hospital in Marylebone, Central London, which has a reputation for discreetly treating of the royal family, former presidents, PMs…