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.