RT Journal T1 Errors in byline, author affiliations, and author contributions in: Medication utilization and annual health care costs in patients with type 2 diabetes mellitus before and after bariatric surgery JF Archives of Surgery JO Archives of Surgery YR 2011 FD June 1 VO 146 IS 6 SP 659 OP 659 DO 10.1001/archsurg.2011.151 UL http://dx.doi.org/10.1001/archsurg.2011.151 AB Errors in Byline, Author Affiliations, and Author Contributions. In the Original Article titled “Medication Utilization and Annual Health Care Costs in Patients With Type 2 Diabetes Mellitus Before and After Bariatric Surgery” by Makary et al, published in the August 2010 issue of the Archives (2010;145[8]:726-731), an error occurred in the spelling of an author's name. In the byline on page 726, the second author's name should have appeared as “Jeanne M. Clark, MD,” and “Clark” should have appeared instead of “Clarke” in line 11 of the “Author Affiliations” on page 726 and in lines 4, 6, 7, 11, 14, and 16 of the “Author Contributions” on page 730.