“…Coutinho et al (2001), Greibrokk (2004), Kirkland et al (2000), Kirkland et al (2007), Zhou et al (2007), Manchon et al (2010), , , Hayes et al (2014), and Spudeit et al (2014). Recently, Guiochon and Gritti (2011) have published a comprehensive review describing "trials, tribulations and triumphs".…”