1. Obesity and Overweight Fact Sheet: World Health Organization; 2017 [Internet]. Available from: http://www.who.int/mediacentre/factsheets/fs311/en/ [cited 2017, Dec 19].
2. Morbid obesity rates continue to rise rapidly in the United States
3. Healthcare Cost and Utilization Project - Surgeries in Hospital-Based Ambulatory Surgery and Hospital Inpatient Settings. 2014. Healthcare Cost and Utilization Project: Agency for Healthcare Research and Quality; 2017 [Internet]. Available from: https://www.hcup-us.ahrq.gov/reports/statbriefs/sb223-Ambulatory-Inpatient-Surgeries-2014.pdf. [cited 2017, Nov 28].
4. Utilization and Volume: Trends Affecting Hospitals and Health Systems: American Hospital Association; 2016 [Internet]. Available from: www.aha.org/research/reports/tw/chartbook/ch3.shtmL. [cited 2017, Dec 17].
5. Office Based Anesthesia and Surgery. American Society of Anesthesiologists; 2017 [Internet]. Available from: http://www.asahq.org/lifeline/types%20of%20anesthesia/office%20based%20anesthesia%20and%20surgery. [cited 2017, Nov 18].