Attikon University General Hospital 1

1. Evaluation of a quality improvement intervention to reduce anastomotic leak following right colectomy (EAGLE): pragmatic, batched stepped-wedge, cluster-randomized trial in 64 countries
2. Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study
3. SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study
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