Areas of Expertise in Wound and Ostomy Care Instructor Dr.Aporacha Lumdubwong Fundamental Nursing 07771 aporacha.lum@mahidol.edu Assistant Professor Supalak Choeychom Fundamental Nursing 0-2441-4234 ต่อ 603 supalak.cho@mahidol.ac.th Assistant Instructor Penny Ratchasan Adult and Gerontological Nursing 0-2201-0678 penny.rat@mahidol.ac.th Assistant Instructor Sirirat Tanyabut Adult and Gerontological Nursing 0-2201-2670 sirirat.tay@mahidol.edu