Thøgersen-Ntoumani, C., Loughren, E. A., Duda, J. L., Fox, K. R., & Kinnafick, F. (2010). "Step by Step". A feasibility study of a lunchtime walking intervention designed to increase walking, improve mental well-being and work performance in sedentary employees: Rationale and study design. BioMed Central.

Thøgersen-Ntoumani, Cecilie, Elizabeth A. Loughren, Joan L. Duda, Kenneth R. Fox, and Florence-Emilie Kinnafick. "Step By Step". A Feasibility Study of a Lunchtime Walking Intervention Designed to Increase Walking, Improve Mental Well-being and Work Performance in Sedentary Employees: Rationale and Study Design. BioMed Central, 2010.

Thøgersen-Ntoumani, Cecilie, et al. "Step By Step". A Feasibility Study of a Lunchtime Walking Intervention Designed to Increase Walking, Improve Mental Well-being and Work Performance in Sedentary Employees: Rationale and Study Design. BioMed Central, 2010.