Opening the black box: Gastric motility, as assessed by the novel vipun gastric monitoring system, is a surrogate measurement for gastric emptying. (September 2018) - Goelen, N.; Morales, J.; Varon, C.; Van Huffel, S.; Augustijns, P.; Mols, R.; Vanuytsel, T.; de Hoon, J.; Herbots, M.; Tack, J.; Janssen, P.