On November 17, 2022, Associate Professor Dr. Yajai Sithimongkol, Dean of the Faculty of Nursing Mahidol University, together with Assistant Professor Dr. Sirada Kesornsri, Associate Dean for International Relations, welcomed Professor How - Ran Guo, Professor and Chair Department of Occupational and Environmental Medicine from National Cheng Kung University, that visited to discuss international collaborative research under the Worldwide Universities Network (WUN). On this occasion, Professor Guo, also visited Learning Resource Center (LRC) and the Royal Archives of Queen Sri Savarindira and Royal Archives of Prince Mahidol of Songkla-Princess Srinagarindra. The event took place at the Faculty of Nursing, Mahidol University (Salaya).