Dr. Rachel O Byrne Division of Hematology and Medical Oncology, Department of Internal Medicine, Faculty of Medicine, Gadjah Mada University/Dr. Sardjito General Hospital, Yogyakarta, Indonesia and his valuable contributions and discoveries in major area of subject research. His international experience includes various programs, contributions and participation in different countries for diverse fields of study. His research interests reflect in his wide range of publications in various national and international journals