1 Introduction  
1.1 Definition  
1.2 Complications  

2 Methodology  
2.1 Formulation and Assumptions  
2.2 Regression Calibration Methods  
2.3 Likelihood-Based Methods  
2.4 Missing Data Perspective  
2.5 Simulation-Based Methods  
2.6 Nonparametric Methods  
2.7 Other Models  

3 Simulation  
3.1 Factors  
3.2 Data Generation  
3.3 Estimators  
3.4 Results and Interpretation  

4 Discussion