Giang, Nguyen Truong
Dung, Le Tien
Hien, Nguyen Thanh
Thiet, Truong Thanh
Hiep, Phan Sy
Vu, Nguyen The
Pho, Dinh Cong http://orcid.org/0000-0002-0810-8521
Van Nam, Nguyen
Hung, Pham Ngoc http://orcid.org/0000-0002-5458-8001
Article History
Received: 19 July 2019
Accepted: 20 November 2019
First Online: 5 December 2019
Ethics approval and consent to participate
: The ethics committee of Vietnam Military Medical University approved the study protocol and authorized its conduct and follow-up. The study was in line with the Declaration of Helsinki. Individual patient consent for inclusion in the study was obtained. Before operation, written informed consent was provided to all participants after a thorough explanation of the purpose of this study. Patients had the right to discontinue at any time during the study.
: Not applicable.
: The authors declare that they have no competing interests. We confirm that we have read the Journal’s position on issues involved in ethical publication and affirm that this report is consistent with those guidelines.