Hi, My name is Yusong Chen, VP of center of exelence, biostat, Parexel. I graduated f_r_o_m Xian Jiaotong University in 1982.

I am working on some biosimilar projects now. To better understand biological products I searched on internet and found your slides decks and learnt a lot f_r_o_m them. Just want to share my appreciation for your work!