Due to the COVID-19 crisis the LTAS2020 conference to be held in Hasselt, Belgium from December 9-11 2020 will be postponed. We hope that the situation allows us to welcome you at LTAS2021 in December 2021 in Hasselt. Details will follow in due time. In the meantime, we hope that you and your loved ones stay safe. Best, the LTAS2020/2021 team from Hasselt University