Trung, Dung Tran
Ngoc, Thanh Ma
Gia, Du Hoang
Ngoc, Son Dinh
Le Manh, Son
Dinh, Toan Duong
Xuan, Thanh Dao
Do Van, Minh
Hoang, Long Nguyen
Article History
Received: 11 February 2019
Accepted: 7 May 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: This study is approved by the National Level Ethics Committee (EC). All subjects signed the Informed Consent Form before taking part in the study. The National Level Ethics Committee confirms the compliance with principles of bioethics. All study protocols were examined and approved by the Ethics Committee.This study is approved by the Ethics Committee of Hanoi Medical University. All subjects signed the Informed Consent Form before taking part in the study. The Ethics Committee of Hanoi Medical University confirms the compliance with principles of bioethics. All study protocols were examined and approved by the Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.
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