1. American Academy of Nurse Practitioners. NP Fact Sheet, 2019. Retrieved from: https://www.aanp.org/about/all-about-nps/np-fact-sheet. Accessed November 11, 2019.
2. American Association of Nurse Practitioners. (January 2019). Nurse Practitioner Role Grows to More Than270,000. Retrieved fromhttps://www.aanp.org/news-feed/nurse-practitioner-role-continues-to-grow-to-meet-primary-care-provider-shortages-and-patient-demands. Accessed March 9, 2020.
3. Practice patterns and characteristics of nurse practitioners in the United States. Results from the 2012 national sample survey of nurse practitioners;Chattopadhyay;J Nurse Practitioners,2015