discussion question

The Institute of Medicine has stated a goal that 90% of practice be evidence-based by 2020. According to HealthyPeople.gov, the United States is currently at approximately 15%. Discuss two barriers that might hold nursing practice from achieving this goal, and suggest ways in which identified barriers may be addressed.I NEED YOU TO ANSWER THIS QUESTION, NO MORE THAN 500 WORDS NEEDED, AND TWO REFERENCES  NEEDED THANK YOU