what the USMLE means when they say that are adding content regarding "patient safety" and "inter-professional teamwork"

what the USMLE means when they say that are adding content regarding "patient safety" and "inter-professional teamwork"
http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/advances-in-patient-safety-2/vol1/Advances-Emanuel-Berwick_110.pdf