Horiuchi, Sayaka
Rattana, Sommana
Saysanasongkham, Bounnack
Kounnavongsa, Outhevanh
Kubota, Shogo
Inoue, Mariko
Yamaoka, Kazue
Article History
Received: 25 December 2020
Accepted: 30 April 2021
First Online: 14 May 2021
Change Date: 28 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12913-021-06546-6
Declarations
:
: This study complied with the World Medical Association Declaration of Helsinki and Ethical Guidelines for Medical and Health Research involving Human Subjects that was promulgated by the Ministry of Health, Labor and Welfare, Japan. This study has been approved by the institutional review board of Teikyo University (No. 17–034), the National Ethics Committee for Health Research, Lao PDR (No. 2017.62.MP) and University of Yamanashi (R01178). Written informed consent was obtained from all participants.
: Not applicable.
: There is nothing to declare.