Contribution to authorship
Josephine Obel: Development of research protocol, data collection, development of data analysis plan, data analysis and manuscript preparation.
Antonio Isidro Carrion Martin: Participated in research protocol development, conducted data analysis and participated in manuscript preparation and final approval for submission for publication.
Abdul Wasay Mullahzada: Participated in research protocol development, data collection and final approval of manuscript for publication.
Ronald Kremer: Participated in research protocol development and final approval of manuscript for publication.
Nanna Maaløe: Participated in development of research protocol, supervised development of data analysis plan and manuscript preparation, including final approval for submission for publication.