%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 24 %N 5 %P e36396 %T Learning More About the Effects of Gamification on Physical Activity. Comment on “Evaluating the Effectiveness of Gamification on Physical Activity: Systematic Review and Meta-analysis of Randomized Controlled Trials” %A Hung,Cheng-Hsien %A Kao,Yung-Shuo %+ Department of Pharmacy, Chang Bing Show Chwan Memorial Hospital, No 6, Lugong Rd, Lukang Township, Changhua County, 50544, Taiwan, 886 4 7813888 ext 71255, chenghsien823@gmail.com %K behavior change %K eHealth %K gamification %K health behavior %K intervention %K meta-analysis %K mobile phone %K physical activity %K systematic review %K elderly %K old adults %D 2022 %7 3.5.2022 %9 Letter to the Editor %J J Med Internet Res %G English %X %M 35503654 %R 10.2196/36396 %U https://www.jmir.org/2022/5/e36396 %U https://doi.org/10.2196/36396 %U http://www.ncbi.nlm.nih.gov/pubmed/35503654