1. World Health Organization. Health workers [Internet]. 2006 [cited 2021 Sep 14]. Available from: http://www.who.int/whr/2006/06_chap1_en.pdf.
2. World Health Organization. Human resources for health information system: minimum data set for health workforce registry [Internet]. 2015 [cited 2021 Sep 14]. Available from: http://www.who.int/hrh/statistics/minimun_data_set.pdf?ua=1.
3. National Center for Health Workforce Analysis. Explore health workforce data policy [Internet]. Health Resources & Services Administration; 2022 [cited 2022 Mar 29]. Available from: https://bhw.hrsa.gov/data-research/explore-health-workforce-data-policy.
4. Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill. North Carolina Health Professions Data System (HPDS) [Internet]. Sheps Center; n.d. [cited 2021 Sep 14]. Available from: https://www.shepscenter.unc.edu/programs-projects/workforce/projects/hpds/.
5. North Carolina Department of Health and Human Services. NC HCPR: about the N.C. Health Care Personnel Registry Section [Internet]. 2011 [cited 2021 Sep 14]. Available from: https://www.ncnar.org/about.html.