@article{Rikhtehgaran2016, author = "Reyhaneh Rikhtehgaran and Iraj Kazemi and Geert Verbeke", title = "{A comparative study on estimation methods to deal with the endogeneity in linear random-intercept models with an extension}", year = "2016", month = "10", url = "https://tandf.figshare.com/articles/journal_contribution/A_comparative_study_on_estimation_methods_to_deal_with_the_endogeneity_in_linear_random-intercept_models_with_an_extension/4083966", doi = "10.6084/m9.figshare.4083966.v1" }