1. Introduction  
2. The survey  
2.1. Sample selection  
2.2. X-ray properties of the sample  
3. Target sample characterization  
3.1. Multi-wavelength dataset  
3.2. Data modeling  
4. Overall properties of the target sample  
4.1. SED-fitting results  
4.2. X-ray vs. optical spectroscopic and SED-fitting classification  
4.3. Radio regime  
5. Summary and future work