Management of intracranial hypertension following traumatic brain injury: A best clinical practice adoption proposal for intracranial pressure monitoring and decompressive craniectomy: Joint statements by the Traumatic Brain Injury Section of the Italian Society of Neurosurgery (SINch) and the Neuroanesthesia and Neurocritical Care Study Group of the Italian Society of Anesthesia, Analgesia, Resuscitation and Intensive Care (SIAARTI)