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Authors
Le, Huy Hoang https://orcid.org/0009-0001-0483-3566
Gelmez, Pelin Sila https://orcid.org/0009-0009-5588-3705
Mutuyimana, Celestin https://orcid.org/0000-0002-6595-2796
Stelzer, Eva-Maria https://orcid.org/0000-0002-3589-8602
Nguyen, Hung https://orcid.org/0009-0000-0641-3082
Killikelly, Clare https://orcid.org/0000-0003-2661-4521
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Funding
Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (TMSGI1_218018)
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Article History
Received: 25 October 2025
Accepted: 4 November 2025
First Online: 28 November 2025
Declarations
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: The study will be conducted in accordance with the principles outlined in the Declaration of Helsinki. Written/verbal informed consent for participation in the study will be obtained from all participants prior to their involvement.The study in Rwanda, was approved by Comité Nationale De la Santé No.632/CNS/BN/PMMF/2025. The study in Viet Nam was approved by the ethics committee of Viet Nam National University – University of Education (No. 25.05/HDDD-DHGD). In Switzerland, the study is registered with the Ethics Committee of the University of Zurich’s Faculty of Philosophy and Arts (Philosophische Fakultät) as Number 24.12.10.
: Not applicable.
: The authors declare no competing interests.
