How Robust are the Estimated Effects of Nonpharmaceutical Interventions against COVID-19? - Sharma, Mrinank; Mindermann, Sören; Brauner, Jan; Leech, Gavin; Stephenson, Anna; Gavenčiak, Tomáš; Kulveit, Jan; Teh, Yee Whye; Chindelevitch, Leonid; Gal, Yarin (Advances in Neural Information Processing Systems, 2020)