Green tea and green tea extract in oncological treatment: A systematic review

The authors declare that there are no conflicts of interest.

Fanny Wiese: systematic search of the literature, title abstract screening, evidence-tables, first draft of the manuscript, final draft; Sabine Kutschan: search string, support in title abstract screening and development of the evidence-tables; Jennifer Doerfler: support in development of the evidence tables, supervision of the manuscript writing, corrections; Viktoria Mathies: supervision of the manuscript writing; Jens Buentzel: correction of the draft and the final manuscript; Judith Buentzel: correction of the draft and the final manuscript; Jutta Huebner: development of the project, supervision of the whole work; There was no financial support for this study.