https://globalizationandhealth.biomedcentral.com/articles/10.1186/1744-8603-7-10
https://globalizationandhealth.biomedcentral.com/articles/10.1186/1744-8603-7-7
https://globalizationandhealth.biomedcentral.com/articles/10.1186/1744-8603-7-9
https://globalizationandhealth.biomedcentral.com/articles/10.1186/1744-8603-7-6
https://globalizationandhealth.biomedcentral.com/articles/10.1186/1744-8603-7-8