COVID Border Accountability Project, a hand-coded global database of border closures introduced during 2020 oleh Mary A. Shiraef, Cora Hirst, Mark A. Weiss, Sarah Naseer, Nikolas Lazar, Elizabeth Beling, Erin Straight, Lukas Feddern, Noah Rusk Taylor, Cayleigh Jackson, William Yu, Aadya Bhaskaran, Layth Mattar, Matthew Amme, Maggie Shum, Mary Louise Mitsdarffer, Johanna Sweere, Susanna E. Brantley, Luis L. Schenoni, Colin Lewis-Beck, COBAP Team