1. Centers for Medicare and Medicaid Services. Fact sheet: medicare telemedicine health care provider fact sheet. Available at: https://www.cms.gov/newsroom/fact-sheets/medicare-telemedicine-health-care-provider-fact-sheet. Accessed November 10, 2020.
2. Department of pennsylvania's bureau of professional and occupational affairs licensing boards. licensed health care practitioners can provide telemedicine services to pennsylvanians during coronavirus emergency. Available at: https://www.media.pa.gov/Pages/State-details.aspx?newsid=375. Accessed November 10, 2020.
3. Federal communications commission's (FCC) COVID-19 telehealth program and the rural health care program. https://www.fcc.gov/covid-19-telehealth-program. Accessed November 10, 2020.
4. Rapid Increase in Telemental Health Within the Department of Veterans Affairs During the COVID-19 Pandemic;Connolly,2020
5. Telemedicine: patient-provider clinical engagement during the COVID-19 pandemic and beyond;Contreras;J Gastrointest Surg,2020