1. Department of Surgical Oncology, Tamil Nadu Multi-Super Specialty Hospital, Chennai, Tamil Nadu, India
2. Department of Surgical Oncology, Thoothukudi Medical College, Thoothukudi, Tamil Nadu, India
3. Lancashire Teaching Hospitals NHS Foundation Trust, Royal Preston Hospital, Preston, UK
4. Department of Surgical Oncology, Coimbatore Medical College & Hospital, Coimbatore, Tamil Nadu, India
5. Department of Surgical Oncology, Government Royapettah Hospital and Kilpauk Medical College, Chennai, India