Correction: Mobile App-Based Interventions to Support Diabetes Self-Management: A Systematic Review of Randomized Controlled Trials to Identify Functions Associated with Glycemic Efficacy - Wu, Yuan; Yao, Xun; Vespasiani, Giacomo; Nicolucci, Antonio; Dong, Yajie; Kwong, Joey; Li, Ling; Sun, Xin; Tian, Haoming; Li, Sheyu (JMIR Publications, 2018)