Sunil Shrestha1, Sudip Shrestha2, Saval Khanal3. 1. Department of Clinical Pharmacy, Nepal Cancer Hospital and Research Center, Harisiddhi, Lalitpur, Nepal. Electronic address: sunilcresta@gmail.com. 2. Department of Medical Oncology, Nepal Cancer Hospital and Research Center, Harisiddhi, Lalitpur, Nepal. 3. School of Medicine, Griffith University, Queensland, Australia.