TL:DR is the researchers may be biased in their conclusion because they've: a) Worked at/for a clinical research company, health NPOs and others. b) Had their

TL:DR is the researchers may be biased in their conclusion because they've: a) Worked at/for a clinical research company, health NPOs and others. b) Had their education funded by the government & NPO. c) Received research funding from NPOs, advocacy groups, research institutes.