Right here in the article titled "Ask the experts covid-19 vaccine" https://worlddoctorsalliance.com/blog/ask-the-experts-covid19-vaccines/ Only a few people quoted list proper credentials related to infectious disease, most are generic MD, or medical fields that fall outside the area of expertise of epidemiology. Not only that but nothing substantive is provided, and the dates of the posts seem a bit dubious, but aren't necessarily cause for discredit however do raise some questions regarding the legitimacy of this 'organization'.