[This corrects the article DOI: 10.2196/16959.].
©Roberto Silingardi, Pasqualino Sirignano, Francesco Andreoli, Wassim Mansour, Mattia Migliari, Francesco Speziale, LIVE Study Collaborators. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 24.06.2020.