[64] Cranney, A., Horsley, T., O'donnell, S., Weiler, H., Puil, L., Ooi, D., ... & Tsang, J. (2007). Effectiveness and safety of vitamin D in relation to bone health. *Evidence report/technology assessment, (158), 1-235.

[65] Holick, M. F. (2004). Sunlight and vitamin D for bone health and prevention of autoimmune diseases, cancers, and cardiovascular disease. The American journal of clinical nutrition, 80(6), 1678S-1688S.  

[66] Schneiderman, N., Ironson, G., & Siegel, S. D. (2005). Stress and health: psychological, behavioral, and biological determinants. Annual review of clinical psychology, 1, 607-628.