Fig. 1From: Epidemiology and burden of progressive familial intrahepatic cholestasis: a systematic reviewPRISMA flowchart of included studies. Notes: The 3 systematic reviews included Baker et al. 2019, which provided the basis for this update review; Davis et al. 2009 and Verkade et al. 2020, where included studies were scrutinised but no additional studies were identified for inclusion [5, 7]Back to article page