Neck pain: Clinical practice guidelines linked to the International Classification of Functioning, Disability, and Health from the Orthopedic Section of the American Physical Therapy Association - Childs, J D; Cleland, J A; Elliott, J M; Teyhen, D S; Wainner, R S; Whitman, J M; Sopky, B J; Godges, J J; Flynn, T W (J Orthop Sports Phys Ther, 2008)