Visiting Professor, Professor Dr. Luc de Witte from the Hague University of Applied Sciences, The Netherlands, was welcomed by Prof. Dr. Sakorn Pornprasert, Dean and AMS executive member of the Faculty of Associated Medical Sciences, Chiang Mai University on occasion of his visit and seeking for international collaboration and to be a guest speaker for a special lecture for staff and graduate students, on November 1, 2022 at the Meeting Room 1, 1st floor, Building 2, Faculty of Associated Medical Sciences.