Due, P. ., Damsgaard, M. ., Madsen, K. ., Nielsen, L. ., Rayce, S. ., & Holstein, B. . (2018). Increasing prevalence of emotional symptoms in higher socioeconomic strata: Trend study among Danish schoolchildren 1991-2014. Scandinavian Journal of Public Health, 1403494817752520. https://doi.org/10.1177/1403494817752520 (Original work published 2018)

Santini, Z. ., Pisinger, V. ., Nielsen, L. ., Madsen, K. ., Nelausen, M. ., Koyanagi, A. ., … Meilstrup, C. . Social Disconnectedness, Loneliness, and Mental Health Among Adolescents in Danish High Schools: A Nationwide Cross-Sectional Study. Frontiers in Behavioral Neuroscience, 15, 632906. https://doi.org/10.3389/fnbeh.2021.632906 (Original work published 2021)