“…Fourteen studies assessing comorbidities of GPP were conducted in countries outside of Europe and Japan, including China, USA, Malaysia and Tunisia (Table 5) . 6,8,12,25,48,51,53,54,66,69,70,72,73,87 Three studies were conducted in patients with juvenile GPP, which may have affected comorbidity rates 51,53,70 as conditions such as hyperlipidaemia and type 2 diabetes are less prevalent in children.…”