Corrigendum to "Cancer epidemiology and trends in North Khorasan Province of Iran" [6, 2 (2018) 51-55] - Hosein Rafiemanesh; Atefe Zahedi; Mojtaba Mehtarpour; Alireza Zemestani; Abbas Balouchi; Mohammad Aghaali; Hamid Salehiniya (Elsevier, 2021)