On May 1, 2023, Associate Professor Dr. Yajai Sitthimongkol, Dean of Faculty of Nursing, together with Dr. Sirada Kesornsri, Associate Dean for International Relations, and Associate Professor Dr. Usavadee Asdornwised from Department of Surgical Nursing, warmly welcomed the visitors from School of Nursing, University of Pennsylvania, USA. There are 19 visitors including 17 students and 2 faculty member led by Dr. Holly Harner and Ms. Hanne Harbison, coming to take a study visit during May 1 - 12, 2023, to learn and exchange experiences about the health service system and the roles and responsibilities of nurses in Thailand. The welcoming ceremony took place at Petcharat Meeting Room, Faculty of Nursing, Mahidol University, Bangkok Noi Campus.