Varela, Carmen, José Ruiz, Ana Andrés, Rubén Roy, Adela Fusté, and Carmina Saldaña. 2017. “Advantages and Disadvantages of Using the Website SurveyMonkey in a Real Study: Psychopathological Profile in People With Normal-Weight, Overweight and Obesity in a Community Sample”. E-Methodology, April, 77-89. https://e-methodology.eu/index.php/e-methodology/article/view/10.15503.emet2016.77.89.