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Published on 03.01.19 in Vol 7, No 1 (2019): January

This paper is in the following e-collection/theme issue:

    Corrigenda and Addenda

    Correction: Medical-Grade Physical Activity Monitoring for Measuring Step Count and Moderate-to-Vigorous Physical Activity: Validity and Reliability Study

    1Centre of Lifestyle Studies, School of Kinesiology, Acadia University, Wolfville, NS, Canada

    2Division of Kinesiology, Dalhousie University, Halifax, NS, Canada

    Corresponding Author:

    Jonathon Richard Fowles, PhD

    Centre of Lifestyle Studies, School of Kinesiology

    Acadia University

    550 Main Street

    Wolfville, NS,

    Canada

    Phone: 1 9025851560

    Fax:1 902 585 1702

    Email:



    The Authors of  “Medical-Grade Physical Activity Monitoring for Measuring Step Count and Moderate-to-Vigorous Physical Activity: Validity and Reliability Study” (JMIR Mhealth Uhealth 2018;6(9):e10706) mistakenly represented the Yamax Digiwalker in the Discussion section. Unlike some of Yamax’s newer devices (ie, Yamax EX-510), the Yamax Digiwalker is a spring-levered pedometer and not a piezoelectric pedometer.

    Thus, the following sentence has been removed from the Discussion:

    Similar to the PiezoRx, the Yamax also uses a piezoelectric sensor, which is consistent with this study.

    The correction will appear in the online version of the paper on the JMIR website on January 3, 2019, together with the publication of this correction notice. Because this was made after submission to PubMed, PubMed Central, and other full-text repositories, the corrected article also has been resubmitted to those repositories.

    Edited by G Eysenbach; This is a non-peer-reviewed article. submitted 22.10.18; accepted 25.10.18; published 03.01.19

    ©Myles William O'Brien, William Robert Wojcik, Jonathon Richard Fowles. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 03.01.2019.

    This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mhealth and uhealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.