Odom D, McLeod L, Sherif B, Nelson L, McSorley D. Longitudinal modeling approaches to assess the association between changes in 2 clinical outcome assessments. Ther Innov Regul Sci. 2018 May;52(3):306-12. doi: 10.1177/2168479017731584
Bjornsdottir E, Janson C, Lindberg E, Arnardottir ES, Benediktsdottir B, Garcia-Aymerich J, Carsin AE, Real FG, Toren K, Heinrich J, Nowak D, Sanchez-Ramos JL, Demoly P, Arenas SD, Navarro RC, Schlunssen V, Raherison C, Jarvis DL, Gislason T. Respiratory symptoms are more common among short sleepers independent of obesity. BMJ Open Respir Res. 2017 Aug 30;4(1):e000206. doi: 10.1136/bmjresp-2017-000206