In a single-center trial, tDCS for the treatment of depression did not show noninferiority to escitalopram over a 10-week period and was associated with more adverse events. (Funded by Fundação de Amparo à Pesquisa do Estado de São Paulo and others; ELECT-TDCS ClinicalTrials.gov number, NCT01894815 .).

We expand previous works on the spherical ''top-hat'' collapse framework in generalized-Chaplygingas-dominated universes. Here we allow the collapse in all energetic components within the system. We analyze the nonlinear stages of collapse for various choices of parameter of the generalized-Chaplygingas model introducing an exact formulation for the so-called effective sound speed, c 2 eff . We show that, within the spherical top-hat collapse framework, the growth of the structure becomes faster with increasing values of .

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