The parties hereto agree and acknowledge that they have jointly participated in the negotiation and drafting of this Agreement. In the event of an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the parties hereto and no presumptions or burdens of proof shall arise favoring any party by virtue of the authorship of any of the provisions of this Agreement. The section headings of this Agreement are for reference purposes only and are to be given no effect in the construction or interpretation of this Agreement.