**Acknowledgements**

We acknowledge all members of the technical team for CF molecular diagnosis: Jean-Pierre Altieri, Fanny Verneau and Lise Larrieu. We also thank the coordination team of the *CFTR*-France genetic database: Corinne Bareil and Corinne Thèze and all the collaborating members of this project. We are also grateful to the French Network of laboratories specialized in molecular diagnosis of CF (GenMucoFrance). Finally, we thank the French Association against CF (Vaincre la Mucoviscidose) for its constant support.
