Esselman Peter C, White Brian F, Chimes Gary P, Kennedy David J
Department of Rehabilitation Medicine, University of Washington, Harborview Medical Center, Seattle, WA(∗).
Bassett Spine Care Institute, Bassett Medical Center, Cooperstown, NY(†).
PM R. 2013 Dec;5(12):1069-76. doi: 10.1016/j.pmrj.2013.10.012.