См., например, Stevens, R. G., Blask, D. E., Brainard, G. C., Hansen, J., Lockley, S. W., Provencio, I., Rea, M. S., Reinlib, L. (2007). ‘Meeting report: The role of environmental lighting and circadian disruption in cancer and other diseases’, Environmental Health Perspectives, 115. P. 1357–1362.