Table 1.

Search results in databases.

Database	Articles found/selected	Authors (year)
PubMed/Medline	25/10	Moseley (2004); Moseley (2005); Moseley (2006); Moseley et al. (2008); Gieteling et al., (2008); Maihöfner & Speck (2012); Johnson et al. (2012); Lagueux et al. (2012); Walz et al. (2013)
Scholar Google	124/4	Gustin et al. (2008); Coslett et al. (2010); Bowering et al. (2013); Katholi et al. (2014)