Vourgidis, I., Maglaras, L., Alfakeeh, A. S., Al-Bayatti, A. H., & Ferrag, M. A. (2020). Use Of Smartphones for Ensuring Vulnerable Road User Safety through Path Prediction and Early Warning: An In-Depth Review of Capabilities, Limitations and Their Applications in Cooperative Intelligent Transport Systems. Sensors, 20(4), Article 997. https://doi.org/10.3390/s20040997