Primary Spontaneous Pneumothorax Admitted in Emergency Unit: Does First Episode Differ from Recurrence? A Cross-Sectional Study

Figure 1

Distribution of participating hospitals in metropolitan France. List of the participating hospitals and local investigators: University Hospital of Angers, France, Mazet B. University Hospital of Besançon, France, Desmettre T. University Hospital of Clermont Ferrand, France, Schmidt J. University Hospital of Dijon, France, Honnard D. University Hospital of Grenoble, France, Carpentier F. University Hospital of Poitiers, France, Lardeur JY. University Hospital of Toulouse, France, Lauque D. Hospital of Belfort, France, Braun JB. Hospital of Béthune, France, Dubard AE. Hospital of Boulogne/Mer, France, Duncan G. Hospital of Lomme, France, Bronet N. Hospital of Mulhouse, France, Goulesque B. Hospital of Roubaix, France, Depelchin A. Hospital of Vesoul, France, El Cadi T.