Delightfully, Dr. Yu-Shiuan Lin is awarded 2-year SNSF Posdoc.Mobility Fellowship (from April 2022 on) to conduct a PET-MRI project examining the interaction between adenosine and dopamine systems at Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA. This is a continuing chapter from her previous PET-MRI training in the SNSF Doc.Mobility Fellowship.