What is the fine-grained topic of the following text: Exeter Upper GI Surgeon Mr Saj Wajed and Clinical Scientist Theresa Royles were amongst some 180 specialists attending the International Congress for Advances in Clinical Measurement of Gastrointestinal Motility and Function held in Ascona, Switzerland. Only return the topic.
International Congress for Advances in Clinical Measurement of Gastrointestinal Motility and Function