Areas of Expertise in Perioperative Nursing / Operating Room Nursing Associate Professor Dr.Benjamaporn Butsripoom Adult and Gerontological Nursing 0-2201-0603, 0604 benjamaporn.but@mahidol.edu Associate Professor Dr.Natthacha Chiannilkulchai Adult and Gerontological Nursing 0-2201-0604 natthacha.chi@mahidol.ac.th Assistant Professor Kieratikan Payngulume Adult and Gerontological Nursing 0-2201-0694 kieratikan.pay@mahidol.edu