@Article{info:doi/10.2196/12576, author="O'Brien, Myles William and Wojcik, William Robert and Fowles, Jonathon Richard", title="Correction: Medical-Grade Physical Activity Monitoring for Measuring Step Count and Moderate-to-Vigorous Physical Activity: Validity and Reliability Study", journal="JMIR Mhealth Uhealth", year="2019", month="Jan", day="03", volume="7", number="1", pages="e12576", issn="2291-5222", doi="10.2196/12576", url="https://mhealth.jmir.org/2019/1/e12576/", url="https://doi.org/10.2196/12576", url="http://www.ncbi.nlm.nih.gov/pubmed/30609987" }