From the Department of Oncology, Pham Ngoc Thach University of Medicine, and Department of Head & Neck Surgery, Oncology Hospital, Ho Chi Minh City, Vietnam.
Received October 10, 2022, and accepted for publication, after revision November 28, 2022.
Conflicts of interest and sources of funding: none declared.
Reprints: Khoi Anh Nguyen, MD, PhD, Department of Oncology, Pham Ngoc Thach University of Medicine, Duong Quang Trung, Ward 12, District 10, Ho Chi Minh City, Vietnam; Department of Head & Neck Surgery, Oncology Hospital, 3 No Trang Long, Ward 7, Binh Thanh District, Ho Chi Minh City, Vietnam. E-mail: [email protected].