Due to the coronavirus COVID-19, the ASN 2020 European conference in Cluj-Napoca, Romania, has been rescheduled for July 1-3, 2021. The organizing committee has responded in individual emails to applicants who submitted proposals to the 2020 conference. Successful proposals are automatically invited to the rescheduled conference. In addition, the Call for Papers (CfP) will be recirculated during fall 2020 to invite new applications. The revised CfP and any updates will be posted on the conference website and distributed through the ASN network.