1. Palliative Care Department, Hanoi Oncology Hospital, Hanoi, Vietnam
2. On-Demand Day Care Department, Hanoi Oncology Hospital, Hanoi, Vietnam
3. On-Demand Gastrointestinal Medical Oncology Department, Hanoi Oncology Hospital, Hanoi, Vietnam
4. Medical Oncology II Department, Board of Directors, Hanoi Oncology Hospital, Hanoi, Vietnam