Notice of Retraction and Replacement: Colla et al. Association between Medicare accountable care organization implementation and spending among clinically vulnerable beneficiaries. JAMA Internal Medicine. 2016; 176(8):1167-1175 RESPONSE

Colla, CH; Lewis, VA; Kao, LS; O'Malley, AJ; Chang, CH; Fisher, ES

Colla, CH (reprint author), Geisel Sch Med Dartmouth, Dartmouth Inst Hlth Policy & Clin Practice, Level 5,WTRB,1 Med Ctr Dr, Lebanon, NH 03756 USA.

JAMA INTERNAL MEDICINE, 2017; 177 (11): 1702