TY - JOUR T1 - Using Persuasive Technology to Increase Physical Activity in People With Chronic Obstructive Pulmonary Disease by Encouraging Regular Walking: A Mixed-Methods Study Exploring Opinions and Preferences JO - Journal of Medical Internet Research UR - http://eprints.whiterose.ac.uk/113716/ PY - 2017/04/20 AU - Bartlett YK AU - Webb TL AU - Hawley MS ED - DO - DOI: 10.2196/jmir.6616 PB - JMIR Publications VL - 19 IS - 4 Y2 - 2024/09/19 ER -