Efficient hybrid EM for linear and nonlinear mixed effects models with censored response. - Florin Vaida; Anthony P. Fitzgerald; Victor DeGruttola (Comput. Stat. Data Anal., 2007)

Accelerometer-Based Physical Activity Patterns and Correlates of Depressive Symptoms. - Xia Li; Patricia M. Kearney; Anthony P. Fitzgerald (HIS, 2018)