(2) a researcher is attached to a public body(a) where the researcher conducts research for that public body under a contract of employment or a service contract entered into with the public body,
(b) where the public body is an institution to which the Act respecting health services and social services (chapter S-4.2) or the Act respecting health services and social services for Cree Native persons (chapter S-5) applies and the researcher is a physician, dentist or pharmacist practising in a centre operated by that institution, or (c) in any other case the Minister may determine by regulation.