[1] Lu L., Hannigan, L. J., Brandlistuen, R. E., Nesvåg, R., Trogstad, L., Magnus, P., Unnarsdóttir, A. B., Valdimarsdóttir, U. A., Andreassen, O. A. & Ask, H. (2023). Mental Distress Among Norwegian Adults During the COVID-19 Pandemic: Predictors in Initial Response and Subsequent Trajectories. International Journal of Public Health 68. https://doi.org/10.3389/ijph.2023.1606164

[2] Lovik, A. ^#, González-Hijón, J. ^#, Hoffart, A. ^#, Fawns-Ritchie, C. M. ^#, I., Lu, L. ^#, …..., Andreassen, O. A., Magnus, P., Johnson, S. U., Sullivan, P. F., Aspelund, T., Porteous, D. J., Ask, H., Ebrahimi, O. V., Valdimarsdóttir, U. A. & Fang, F. Elevated symptoms of depression and anxiety among family members and friends of critically ill COVID-19 patients-An observational study of five cohorts across four countries. The Lancet Regional Health - Europe. 2023. (Co-first author, alphabetize by last name) https://doi.org/10.1016/j.lanepe.2023.100733

[3] Shen, Q., Joyce, E. E., Ebrahimi, O. V., Didriksen, M., Lovik, A., Sævarsdóttir, K. S., Magnúsdóttir, I.,…& Lu, L., Andreassen, O. A., Sullivan, P. F.,…,Fang, F., Valdimarsdóttir, U. A. (2023). COVID-19 illness severity and 2-year prevalence of physical symptoms: an observational study in Iceland, Sweden, Norway and Denmark. The Lancet Regional Health–Europe. 2023. https://doi.org/10.1016/j.lanepe.2023.100756

[4] Lu, L., Contrand, B., Dupuy, M., Ramiz, L., Sztal-Kutas, C., & Lagarde, E. Mental and physical health among the French population before and during the first and second COVID-19 lockdowns: Latent class trajectory analyses using longitudinal data. Journal of affective disorders. 2022, 309, 95–104. (Highly Cited Paper, ESI 1%)  https://doi.org/10.1016/j.jad.2022.04.095

[5] Magnúsdóttir, I., Lovik, A., Unnarsdóttir, A. B., ……, Lu, L., ……, Andreassen, O. A., … COVIDMENT Collaboration. Acute COVID-19 severity and mental health morbidity trajectories in patient populations of six nations: an observational study. The Lancet Public health. 2022, 7(5): e406–e416. (Highly Cited Paper, ESI 1%, Hot paper) https://doi.org/10.1016/S2468-2667(22)00042-1

[6] Ramiz1, L., Contrand, B., Rojas-Castro, M., Dupuy, M., Lu, L.*, Catherine Sztal-Kutas, C., Lagarde, E*. A longitudinal study of mental health before and during COVID-19 lockdown in the French population. Globalization and Health. 2021. 17; 29. (Corresponding author; Highly Cited Paper, top 1%) https://doi.org/10.1186/s12992-021-00682-8

[7] Lu, L., Dong, M., Gao, J., Zhang, T.T., Chen, X.Q., Zhang, Y.F., Shen, H.Y., Chen, H.R., Gai, X.Y. & Liu, S*. Sex differences in the factors associated with sleep duration in university students: a cross-sectional study. Journal of Affective Disorders. 2021, 290:345-352. https://doi.org/10.1016/j.jad.2021.04.025

[8] Lu, L., Jian, S.Y., Dong, M., Gao, J., Zhang, T.T., Chen, X.Q., Zhang, Y.F., Shen, H.Y., Chen, H.R., Gai, X.Y. & Liu, S*. Childhood trauma and suicidal ideation among Chinese university students: the mediating effect of Internet addiction and school bullying victimization. Epidemiology and psychiatric sciences. 2020, 10;29:e152. https://doi.org/10.1017/S2045796020000682

[9] Lu, L., Dong, M., Wang, S.B., Zhang, L., Ng, C.H., Ungvari, G.S., Li, J., Xiang, Y.T. Prevalence of workplace violence against health-care professionals in China: a comprehensive meta-analysis of observational surveys. Trauma, Violence, & Abuse. 2020, 21(3):498-509. (Highly Cited Paper, ESI 1%; SSCI: Family Studies 1/66 | Social Work 1/91 | Criminology & Penology 2/113)  https://doi.org/10.1177/1524838018774429

[10] Lu, L., Dong, M., Lok, G. K. I., Feng, Y., Wang, G., Ng, C. H., Ungvari, G. S., Xiang, Y. T. Worldwide prevalence of sexual harassment towards nurses: A comprehensive meta-analysis of observational studies. Journal of Advanced Nursing. 2020, 76(4):980-990. (Nursing 6/191) https://doi.org/10.1111/jan.14296

[11] Lu, L., Xu, D.D., Liu, H.Z., Zhang, L., Ng, C.H., Ungvari, G.S., An, F.R., Xiang, Y.T. Internet Addiction in Tibetan and Han Chinese middle school students: prevalence, demographics and quality of life. Psychiatry Research. 2018, 268:131-136. https://doi.org/10.1016/j.psychres.2018.07.005