Authors: Stefanos Tyrovolas; Iago Giné-Vázquez; Daniel Fernández; Marianthi Morena; Ai Koyanagi; Mark Janko; Josep Maria Haro; Yang Lin; Paul Lee; William Pan; Demosthenes Panagiotakos; Alex Molassiotis Journal: J Med Internet Res Date: 2021-06-14 Impact factor: 5.428