Possible links of interest
http://cep.sagepub.com/content/early/2016/04/07/0333102416644436.abstract
http://web.b.ebscohost.com/abstract?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=13001817&AN=113708624&h=DlyM%2FII1SZJoCkcsEI0e5Krgj%2BG0HR9BWuRxxvgQMFf9Jr71BEFH0d8h1D4RGz66ZnPOCCUOVOGclDVX%2FHcB2w%3D%3D&crl=c&resultNs=AdminWebAuth&resultLocal=ErrCrlNotAuth&crlhashurl=login.aspx%3Fdirect%3Dtrue%26profile%3Dehost%26scope%3Dsite%26authtype%3Dcrawler%26jrnl%3D13001817%26AN%3D113708624