“…[16, 18-21, 23, 24] Staff who did not know the guidelines caused faulty monitoring, treatment or procedures. [16,18,20,28] Mistakes were made with patient identification or verification [14,17,18,20,26] and with obtaining a patient's informed consent. [14,23,24,26] For example, a blank informed consent form was signed by a patient, or no anaesthesia or surgical consent forms were signed at all, which resulted in the cancellation of a procedure, or a procedure was completed without documented patient consent.…”