Since 2019, we have been pleased to train and work with several international students and visiting scholars. A GPEN program student Christian Bode from Philipps University, Germany joined for 6 months; Ph.D. student Yachao Li from Sichuan University, China, joined for 12 months; Ph.D. student Lenka Kotrchová from Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic spent 3 months with us; Fulbright Student Fellowship Awardee & Ph.D. student Kehinde Sola Salako from the University of Lagos, Nigeria stayed for 11 months; and Associate Professor Zhou Zhou from West China School of Pharmacy spent her sabbatical in our lab supported by the China Scholarship Council.