(1) is causally related to employment with a non-Utah employer not subject to commission jurisdiction;
(2) is of a character to which the employee may have had substantial exposure outside of employment or to which the general public is commonly exposed;
(3) is aggravated by any other disease or infirmity not itself compensable; or
(4) when disability or death from any other cause not itself compensable is aggravated, prolonged, accelerated, or in any way contributed to by an occupational disease.