Declaration of competing financial interests

Declaration: M.S.G. is a Novocell, Inc., Scientific Advisory Board Member and stockholder. He is the inventor on six issued US patents pertaining to the delivery of genes to exocrine glands, one issued US patent for human Neurogenin3, and two issued US patents for the use of Neurogenin3 for the production of insulin-producing cells. All of these patents are held by the University of California.