Mbanefo, Evaristus Chibunna
Ahmed, Ali Mahmoud
Titouna, Afaf
Elmaraezy, Ahmed
Trang, Nguyen Thi Huyen
Phuoc Long, Nguyen
Hoang Anh, Nguyen
Diem Nghi, Tran
The Hung, Bui
Van Hieu, Mai
Ky Anh, Nguyen
Huy, Nguyen Tien
Hirayama, Kenji
Article History
Received: 20 September 2016
Accepted: 7 March 2017
First Online: 6 April 2017
Competing interests
: The authors declare no competing financial interests.