They can be formulated prospectively or retrospectively. In the 1980s, a large cohort of children with OCD were being evaluated prospectively. Environmental stressors have also been found to prospectively increase risk for PMDD symptoms. In diagnostic biosensor applications Nanobodies may be used prospectively as a tool. The other major paradigm of time estimation methodology measures time prospectively. Normally, laws are presumed to apply prospectively only. Income distribution can describe a prospectively observable element of an economy. Researchers can choose to have their reviews prospectively registered with PROSPERO. As Carmody DCJ accepted in Spence at [28], the provision was intended to operate prospectively. The law fixes age discrimination only prospectively. The SoundCloud page states that Commix will prospectively appear "with a renewed sense of purpose". In 2003, the Texas Legislature prospectively banned environmental speed limits, effective September 1, 2003. Kurumoch was prospectively regarded as the best hub airport for the Volga Federal District. In 2012, Ducasse again appeared all 16 games playing left guard and right tackle prospectively.