Sangamo Therapeutics Files For Chapter 11 Bankruptcy, Secures Up To $30M In Debtor-In-Possession Financing; Launches Court-Supervised Asset Sale Process With Eli Lilly And Astellas As Stalking Horse Bidders For Key Gene Therapy, Genome Editing, And Fabry Disease Assets; Expects Restructuring To Result In Elimination Of About 51 Roles In U.S., Or About 40% Of Company's Workforce