Arun Garg, K.T. Hegmann, M.S. Thiese, J. Kapellusch, A. Merryweather, D. Bloswicks, P. Bhoyar, S. Boda, D.L. Drury, H. Edwards, M. Fitzpatrick, J.C. Foster, J. Gin, G.N. Groth, B. Held, E. Holmes, R. Holubkov, J. Korpi, S. Milholland, S.J. Oostema, G. Schaefer, M. Schueller, R. Seeds, X. Sheng, R. Sesek, G.A. Vos, E. Wood. (2009). Low Back Pain Risk Factors in a Large, Multi-center, Prospective Occupational Cohort