Wagner, GeritGeritWagner0000-0003-3926-77172022-10-142022-10-1420201438-88711438-8871https://fis.uni-bamberg.de/handle/uniba/55932deuFitbit-Based Interventions for Healthy Lifestyle Outcomes: Systematic Review and Meta-Analysisarticle10.2196/23954http://dx.doi.org/10.2196/23954