1. QuickFacts San Diego County California. United States Census Bureau 2019. Available at:https://www.census.gov/quickfacts/fact/table/sandiegocountycalifornia CA/PST045219. Accessed June 1 2020.
2. Zip Atlas. Available at:http://zipatlas.com/. Accessed June 1 2020.
3. The Alaska Experience Using Store-and-Forward Telemedicine for ENT Care in Alaska
4. Telehealth services in rural and remote Australia: a systematic review of models of care and factors influencing success and sustainability;Bradford NK;Rural Remote Health,2016