lew et al. 2013, lee et al. 2013, levin et al. 2013, lewis et al. 2011, wei et al. 2013, lu et al. 2013, lewis et al. 2012, lewis et al. 2014, lev et al. 2010, lewis et al. 2008, lee et al. 2011, lee et al. 2012, aw et al. 2011, lee et al. 2010, leung et al. 2012, lewis et al. 2004, lee et al. 2009, lewis et al. 2015, wen et al. 2012, levin et al. 2009, lu et al. 2011, lewig et al. 2007, lewis et al 2007
lew et al. 2013. There are any references about lew et al. 2013 in here. you can look below.