“…Subsequent FISH testing indicated that this child’s duplication corresponded to the classic WS deletion region (hereafter, classic Dup7). In the ensuing nine years, 30 children with classic Dup7 aged 6 months to 17 years have been described as part of case series [5 in Berg et al, 2007; 14 in van der Aa et al, 2009; 5 in Dixit et al, 2013; 6 in Parrott et al, 2015] and mean performance levels on various psychological assessments were reported by Sanders et al [2011] for four children with classic Dup7. In addition, 12 children with classic Dup7 were described in individual case reports [Somerville et al, 2005; Kriek et al, 2006; Depienne et al, 2007, 2009; Torniero et al, 2007; Merritt and Lindor, 2008; Orellana et al, 2008; Torniero et al, 2008; Malenfant et al, 2012; Değerliyurt et al, 2012; McGrew et al, 2012; Prontera et al, 2014; Zarate et al, 2014].…”