https://journals.plos.org/globalpublichealth/article/comment?id=10.1371/annotation/6a3bdac0-abca-4aed-998b-2706311072b5
https://journals.plos.org/globalpublichealth/article/comment?id=10.1371/annotation/8c2cf661-446f-4098-9978-d92ada600575
https://journals.plos.org/globalpublichealth/article/comment?id=10.1371/annotation/ea466ae7-86a1-490e-b2f2-dd4b2945e5ff