Not saying it is inaccurate or bogus but this is in the second link.
"Conflicts of interest
The company for which the study authors work and the companies that manufacture the e-cigarettes tested for this study are owned by the same parent company."
Kinda like big tobacco doing it's own testing. with that said however I do believe ecig use is FAR safer than cig smoking. But we do need more independent testing to determine the safety of High wattage vaping and vaping flavorants, etc at all temperatures, etc.
And back to the original topic... I would not smoke right in a childs face so to speak and would ventilate in a car with children present while vaping. Just common courtesy if nothing else.