Berman, A., Bergman, H., Palmstierna, T., & Schlyter, F. (2005). "DUDIT manual the drug use disorders identification test". London: Karolinska Institutet Department of Clinical Neuroscience.

Chambless, D. L., Caputo, G., Jasin, S., Gracely, E. J., & Williams, C. (1985). "The Mobility Inventory for Agoraphobia. Behaviour Research and Therapy", 23, 35-44.

Espie, C. A., Kyle, S. D., Hames, P., Gardani, M., Fleming, L., & Cape, J. (2014). "The Sleep Condition Indicator: a clinical screening tool to evaluate insomnia disorder." BMJ Open, 4(3).

Houck, P. R., Spiegel, D. A., Shear, M. K. & Rucci, P. (2002). "Reliability of the selfreport version of the Panic Disorder Severity Scale. Depression and Anxiety", 15(4): 183-185.

Kroenke, K., Spitzer, R. L., & Williams, J. B. (2001). "The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine", 16, 606-613.

Mattick, R. P., & Clarke, J. C. (1998). "Development and validation of measures of social phobia scrutiny fear and social interaction anxiety". Behaviour Research and Therapy, 36, 455-470.

Saunders, J. B., Aasland, O. G., Babor, T. F., de la Fuente, J. R., & Grant, M. (1993). "Development of the Alcohol Use Disorders Identification Test (AUDIT)": WHO Collaborative Project on Early Detection of Persons with Harmful Alcohol Consumption--II. Addiction (Abingdon, England), 88(6), 791-804.

Shear, M. K., Rucci, P., Williams, J., Frank, E., Grochocinski, V., Vander Bilt, J., Houck, P. & Wang, T. (2001). "Reliability and validity of the Panic Disorder Severity Scale: Replication and extension". Journal of Psychiatric Research, 35(2): 293-296.

Sherbourne, C. D., & Stewart, A. L. (1991). "The MOS social support survey". Soc Sci Med, 32(6), 705-714.

Spitzer, R. L., Kroenke, K., Williams, J. B., & Lowe, B. (2006). "A brief measure for assessing generalized anxiety disorder: the GAD-7". Archives of Internal Medicine, 166(10), 1092-1097.

World Health Organization. (2010). Measuring Health and Disability. "Manual for WHO Disability Assessment Schedule WHODAS 2.0", In N. K. TB Üstün & J. R. S Chatterji (Eds.) Measuring health and disability. Geneva.