Neuronetics (Malvern, PA) a commercial-stage medical device company focused on pulsed magnetic field stimulation for non-invasive, non-systemic treatment of depression, closed a $30M Series E financing. Participants include Polaris Venture Partners, Pfizer Venture Investments, Investor Growth Capital, New Leaf Venture Partners, Interwest Partners, Three Arch Partners, Quaker BioVentures and Onset Ventures.