1. Ministry of Health, Singapore. Updates on COVID-19 (Coronavirus Disease 2019) Local Situation. [Internet]. 2020 [cited 2020 Mar 19]. Available from: https://www.moh.gov.sg/covid-19
2. World Health Organization. Coronavirus disease (COVID-19) situation reports. [Internet]. 2020 [cited 2020 Mar 19]. Available from: https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports
3. American College of Surgeons. COVID-19: Recommendations for Management of Elective Surgical Procedures. [Internet]. 2020 [cited 2020 Mar 19]. Available from: https://www.facs.org/about-acs/covid-19/information-for-surgeons/elective-surgery