March 4, 2020
F. Alberto Abreu-Grobois, B. Alejandra Morales-Mérida, Catherine E. Hart, Jean-Michel Guillon, Matthew H. Godfrey, Erik Navarro, Marc Girondot
March 2, 2020
Elena Rybakova, Sergey Galkin, Andrey Gebruk, Nadezhda Sanamyan, Alexander Martynov
March 20, 2020
Yun Tang, Zhi-Qiang Chen, You-Fu Lin, Jing-Yi Chen, Guo-Hua Ding, Xiang Ji
March 5, 2020
Javier Manjarrez, Constantino Macías Garcia, Hugh Drummond