Development of a real-time patient-reported outcome measure for symptom assessment in patients with functional dyspepsia using the experience sampling method

- Smeets, Fabiënne G. M.; Keszthelyi, Daniel; Van Os, Jim; Masclee, Ad A. M.; Vork, Lisa; Tack, Jan; Talley, Nicholas J.; Simren, Magnus; Aziz, Qasim; Ford, Alexander C.; Conchillo, José M.; Kruimel, Joanna W.