1. Introduction  
2. A Review of the Blood Pressure Physiology  
3. Blood Pressure Measurement Methods  
4. Cuff-Based Blood Pressure Measurement Technologies  
5. Potential Sources of Bias in Blood Pressure Technologies  
6. Cuff-Less Blood Pressure Technologies  
7. Future Perspectives: Using Machine Learning for Bias Removal and Individualized BP Level Risk Assessment  
8. Conclusion