1. Kasetsart University, Mahidol University,Faculty of Engineering, Faculty of Medicine Siriraj Hospital,Department of Mechanical Engineering, Department of Surgery,Bangkok,Thailand
2. Princess Srisavangavadhana College of Medicine Chulabhorn Royal Academy,Bangkok,Thailand
3. Mahidol University,Faculty of Medicine Siriraj Hospital,Department of Pharmacology,Bangkok,Thailand
4. Kasetsart University,Faculty of Engineering,Department of Mechanical Engineering,Bangkok,Thailand