| Jinmei LI | Normal University, China | September 2019 - August 2020 |
| Alexandra RUIZ-GOMEZ | Universidad Complutense Madrid, Spain | September 2019 - December 2019 |
| Benjamin ADAMS | University of Canterbury, New Zealand | October 2019 - November 2019 |
| Matheus FERREIRA | UNESP, Bauru, Brazil | November - March 2020 |
| Yang YI | Southwest University, China | February 2020 - February 2021 |
| Daniel O'DONNELL | University of Lethridge, Canada | October 2019 - November 2019 |
| Fanke PENG | University of Canberra, Australia | January 2020 - December 2020 |
| Hui YANG | Shenzhen University, China | July 2020 - December 2020 |
