This article causes me to reflect. This paper has emphasised if massive conferences determine some ecologic disasters, this is eventually true. I think other more important aspects could be discussed. Massive medical conferences do not always contribute to updating topics or discussion with other colleagues. Most of the participants take these events as "tourism events". Invitations are in general given to doctors who are experts but most frequently by "laboratory marketing".
Many investigators around the world have had serious limitations in their opportunities to communicate their results in the congress or in publications. This is the biggest problem for scientific communication.
Competing interests: None declared
Competing interests: No competing interests