Response to Letter to the Editor

Affiliations

• ¹ School of Kinesiology, University of Minnesota, Minneapolis, Minnesota.
• ² Departments of Biostatistics and Psychiatry, Columbia University, New York, New York.
• ³ Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota.
• ⁴ Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota; Department of Psychiatry and Behavioral Health, University of Minnesota Medical School, Minneapolis, Minnesota; Sanford Center for Biobehavioral Research, Fargo, North Dakota.