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Acknowledgments • The authors would like to thank the Hypertension Unit of the 2 nd Propaedeutic Dept. of Internal Medicine, Hippokration Hospital in Thessaloniki for providing the High Resolution dataset. • This work was supported in part by the European Commission under the TUMOR (FP7- ICT-2009.5.4-247754) project. Vangelis Sakkalis sakkalis@ics.forth.gr