Nguyen, Huong Thi Thanh https://orcid.org/0000-0003-2191-6408
Dinh, Dai Xuan https://orcid.org/0000-0001-6387-2496
Article History
Received: 16 April 2023
Accepted: 14 September 2023
First Online: 16 September 2023
Declarations
:
: This multicenter, cross-sectional study was assessed and approved by the ethics committee of the Hanoi University of Pharmacy (number: 21-12/PTC-HĐĐĐ). We obtained the permission of clinic directors before interviewing patients and collecting data from medical records. All MMT patients gave their written informed consent before participating in this research.
: Not applicable.
: The authors declare that they have no competing interests.