I believe I read it here, though there are several similar studies and this might not be the one I originally read. https://www.ncbi.nlm.nih.gov/pubmed/2553123

I believe I read it here, though there are several similar studies and this might not be the one I originally read. https://www.ncbi.nlm.nih.gov/pubmed/25531231 https://www.ncbi.nlm.nih.gov/pubmed/25531231