Abdominal complaints (e.g. pain, nausea, vomiting and/or diarrhea) accounted for 25% of the maritime radio-medical contacts in a report from Singapore[11], 24.4% in a 12-year Japanese report [12] and 24.3% in a 10-year Japanese report [13], 19% in a report from the Italian Telemedical Maritime Assistance Service[14], 15% in a report from Swedish Radio Medical 1997-2009 [15]  and  10% in a report from US telemedicine services  [16]. Sixteen percent of telemedical advice to passengers and 22% to crew on long-distance ferries from Radio Medical Denmark concerned the digestive system [17].