A commentary on “ASA-ECOG as a combined tool for peri-operative risk stratification in COVID-19 survivors – A step towards optimizing healthcare resource utilization” (Int J Surg 2021, July:106062)

Dear Editor, We have read with great interest the article recently published by Gangakhedkar et al. [1]. entitled "ASA-ECOG as a combined tool for peri-operative risk stratification in COVID-19 survivors – A step towards optimizing healthcare resource utilization”, which discusses the need to provide anesthesiologists with a more solid strategy to stratify perioperative risks, and plan an adequate pre-rehabilitation of patients to reduce intra-...