Survey on smoking habits in professionnal soccer players from the North-East of France (including professionnal soccer teams of Auxerre, Dijon, Metz, Nancy, Reims, Sedan, Sochaux, Strasbourg, Troyes)
Enquête sur le tabagisme des footballeurs professionnels du Grand Est de la France (Auxerre, Dijon, Metz, Nancy, Reims, Sedan, Sochaux, Strasbourg, Troyes)