http://www.callan.com/research/DC https://www.cerulli.com/publications/us-evolution-of-the-retirement-investor-2016-regulation-and-investor-addressability-P0003F0 https://www.cerulli.com/publications/us-evolution-of-the-retirement-investor-2016-regulation-and-investor-addressability-P0003F0 https://www.cerulli.com/publications/us-evolution-of-the-retirement-investor-2016-regulation-and-investor-addressability-P0003F0 https://www2.deloitte.com/us/en/pages/human-capital/articles/annual-defined-contribution-benchmarking-survey.%20html. https://www2.deloitte.com/us/en/pages/human-capital/articles/annual-defined-contribution-benchmarking-survey.%20html. https://www2.deloitte.com/us/en/pages/human-capital/articles/annual-defined-contribution-benchmarking-survey.%20html. http://www.ici.org/pdf/2016_facebook.pdf http://www.ici.org/pdf/2016_facebook.pdf https://olui2.fs.ml.com/Publish/Content/application/pdf/GWMOL/GWIMCIOValueofanAdvisorWhitepaper.pdf https://olui2.fs.ml.com/Publish/Content/application/pdf/GWMOL/GWIMCIOValueofanAdvisorWhitepaper.pdf https://olui2.fs.ml.com/Publish/Content/application/pdf/GWMOL/GWIMCIOValueofanAdvisorWhitepaper.pdf https://pressroom.vanguard.com/nonindexed/HAS2016_Final.pdf https://pressroom.vanguard.com/nonindexed/HAS2016_Final.pdf http://global.morningstar.com/Morningstarmagazine