Van de Graaff generator and electronic medical devices

Van de Graaff generator and electronic medical devices: The Science ASSIST Standard Operating Procedure for demonstrating the Van de Graaff generator has in its safety notes to ensure that anyone who has an electronic insulin pump should not be in the vicinity of the generator.

We have a teacher who has had a pump for about 5 years and frequently operates the VDG so far without incident. Do you have any more information about the risks involved, the type of pumps involved, the make of pump, anything that could make it safe for him?

Should hearing aids also be included in the electronic equipment that could be affected by a Van de Graaff generator?