@article {1994, title = {An Activity Classifier based on Heart Rate and Accelerometer Data Fusion}, journal = {INTERNATIONAL JOURNAL OF BIOELECTROMAGNETISM}, volume = {15}, year = {2013}, pages = {7{\textendash}12}, issn = {1456-7857}, author = {Curone, D. and Secco, E. L. and A. Tognetti and G. Magenes} }