This 2012 paper seems to be the original research. https://www.ncbi.nlm.nih.gov/...

		zethraeus on Feb 13, 2018 \| parent \| context \| favorite \| on: A surprisingly potent technique can boost short an... This 2012 paper seems to be the original research. https://www.ncbi.nlm.nih.gov/pubmed/22829465