Correction: Psychological distress among cancer patients in African countries: a systematic review and meta-analysis study - Getasew Kibralew; Yilkal Abebaw Wassie; Mulualem Kelebie; Gidey Rtbey; Gebresilassie Tadesse; Mamaru Melkam; Aklile Tsega; Fantahun Andualem; Abebaw Setegn; Techilo Tinsae; Setegn Fentahun; Girum Nakie (BMC Psychology)