The goal of this survey is to investigate the participants' preference for a specific screening/diagnostic tool to detect and assess gastro-esophageal cancer. The main question it aims to answer are: * Which diagnostic modality is preferred by patients and the general population? * Which features of the diagnostic test are most detrimental in the decision-making for one or the other modality? * Are geographical differences present in regard to the preference for a diagnostic modality? Participants will be asked to complete a survey of 20-25min, including a brief intake regarding their socio-economic status. This approach will allow us to correct for confounding factors.