The investigation team is made up of medical and management professionals as well as patient representatives who will have access to all areas of the hospital.
Tonight the review team will meet patients who will have their chance to give their feedback on their good and bad experiences at the hospital.
Our reporter Ria Chatterjee is at the hospital and spoke with the investigation panel chairman David Levy earlier.
More top news
A woman hit by police gunfire during a counter-terrorism operation has been arrested after being released from hospital.
Police have been granted extra time to question a man who is being held on suspicion of planning a terror attack.
Joshua beat the older, more experienced boxer in front of 90,000 fans in Wembley Stadium.