Robinovitch, S. N., Evans, S. L., Minns, J., Laing, A. C., Kannus, P., Cripton, P. A., … Lauritzen, J. B. (2009). Hip protectors: recommendations for biomechanical testing-an international consensus statement (part I). Osteoporosis International, 20(12), 1977-1988. https://doi.org/10.1007/s00198-009-1045-4