TY - JOUR AU - Balbim, Guilherme M AU - Marques, Isabela G AU - Marquez, David X AU - Patel, Darshilmukesh AU - Sharp, Lisa K AU - Kitsiou, Spyros AU - Nyenhuis, Sharmilee M PY - 2021 DA - 2021/3/1 TI - Using Fitbit as an mHealth Intervention Tool to Promote Physical Activity: Potential Challenges and Solutions JO - JMIR Mhealth Uhealth SP - e25289 VL - 9 IS - 3 KW - physical activity KW - fitness trackers KW - Fitbit KW - smartphones KW - interventional studies KW - adults KW - older adults KW - wearable KW - intervention SN - 2291-5222 UR - https://mhealth.jmir.org/2021/3/e25289 UR - https://doi.org/10.2196/25289 UR - http://www.ncbi.nlm.nih.gov/pubmed/33646135 DO - 10.2196/25289 ID - info:doi/10.2196/25289 ER -