Contribution to authorship
Jérôme Rosetti: conception of the study, planning and carrying out the
protocol, data collection and management, writing and review of the
article ; Jacques Francotte : conception of the study, planning and
carrying out the protocol, review of the article; Emmanuel Noel :
conception of the study, planning and carrying out the protocol, review
of the article ; Panagiotis Drakopoulos : statistical work and review of
the article, Nelson Rabbachin : data collection ; Michael de Brucker :
conception of the study, planning and carrying out the protocol, data
collection and management, writing and review of the article.