“…A total of 32 studies met the inclusion criteria (Tables 1-3) and included the following: non-controlled prospective studies with case-series designs or comparative designs not containing similar, concurrent comparison groups, retrospective case-series, or summaries of registry data. Only 12 of the 32 studies reported the type of mesothelioma examined: 11 involved diffuse mesothelioma [16,17,[19][20][21]26,27,30,33,34,38] and one involved localized disease [11].…”