@article{Jacquemin2018, author = {Jacquemin, Charlotte and Servy, Hervé and Molto, Anna and Sellam, Jérémie and Foltz, Violaine and Gandjbakhch, Frédérique and Hudry, Christophe and Mitrovic, Stéphane and Fautrel, Bruno and Gossec, Laure}, doi = {10.2196/mhealth.7948}, journal = {JMIR mHealth and uHealth}, month = {jan}, pages = {e1}, title = {Physical Activity Assessment Using an Activity Tracker in Patients with Rheumatoid Arthritis and Axial Spondyloarthritis: Prospective Observational Study}, url = {https://doi.org/10.2196/mhealth.7948}, volume = {6}, year = {2018} }