“…Thirty-ve studies had only healthy participants in their cohorts (24,27,54,55,57,58,(63)(64)(65)(71)(72)(73)31,(74)(75)(76)(77)(78)80,81,83,87,89,47,90,92,(95)(96)(97)(48)(49)(50)(51)(52)(53). Twenty-seven studies compared pathological participants to healthy participants (12,13,45,46,59,62,(66)(67)(68)82,84,85,14,86,88,91,…”