McLaughlin Matthew J, Sainani Kristin L
Division of Pediatric Rehabilitation Medicine, The Children's Mercy Hospital, Kansas City, MO(∗).
Division of Epidemiology, Department of Health Research and Policy, Stanford University, Stanford, CA(†).
PM R. 2014 Jun;6(6):544-6. doi: 10.1016/j.pmrj.2014.04.006. Epub 2014 Apr 22.