JMIR, J. med. internet res. JMIR, J. med. internet res. The need for patient adherence standard measures for Big Data Kardas Przemyslaw Aguilar-Palacio Isabel Universidad de Zaragoza Almada Marta Cahir Caitriona Costa Elíseo Giardini Anna Malo Sara Universidad de Zaragoza Massot Mesquida Mireia Menditto Enrica Midão Luis Parra-Calderón Carlos Luis Pepiol Salom Enrique Vrijens Bernard 2020 research-article