Penalized estimating equations, Biometrics, vol.59, pp.126-132, 2003. ,
Working-correlation-structure identification in generalized estimating equations, Statistics in medicine, vol.28, issue.4, pp.642-658, 2009. ,
The r package geepack for generalized estiamtin equations, Journal of Statistical Software, vol.15, issue.2, 2006. ,
Longitudinal data analysis using generalized linear models, Biometrika, vol.38, pp.13-22, 1986. ,
Akaike's information criterion in generalized estimating equations, Biometrics, vol.57, pp.120-125, 2001. ,
A family of multivariate binary distributions for simulating correlated binary variables with specified marginal means and correlations, Biometrika, vol.90, issue.2, pp.455-463, 2003. ,
, R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, 2008.
Semiparametric efficiency in multivariate regression models with missing data, Journal of the American Statistical Association, vol.90, issue.429, pp.122-129, 1995. ,
Analysis of semiparametric regression models for repeated outcomes in the presence of missing data, Journal of the American Statistical Association, vol.90, pp.106-121, 1995. ,
Inference and missing data, Biometrika, vol.63, issue.3, pp.581-592, 1976. ,