1. ISGlobal , Barcelona , Spain
2. Herbert Wertheim School of Public Health and Human Longevity Science , UC San Diego, San Diego, CA , USA
3. Center for Wireless and Population Health Systems, Qualcomm Institute , UC San Diego, San Diego, CA , USA
4. Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center , New York, NY , USA
5. Environmental Studies, University of Colorado Boulder , CO , USA
6. Health Technology & Services Research, University of Twente , The Netherlands
7. Department of Physical Activity Sciences, Université du Québec à Montréal , Montréal, Québec , Canada
8. Research Center, University Institute of Mental Health at Montreal , Montréal, Quebec , Canada