The AESOP and IFHP communities are greatly indebted to the University of Amsterdam for hosting 5th lecture within AESOP-IFHP Lecture Series.

Our special word of gratitude goes to Prof. Wilem Salet and Dr Leonie Janssen-Jansen who made the event possible.

We would like to congatulate Ward Rauws (University of Groningen), Giulia Maci (IFHP) and Verena Peer excellent debate after the lecture. Special thanks to Ward Rauws for moderating.

Last, but not least we would like to express our gratitude to Prof. Juval Portugali for his outstanding lecture.