Letter to the Editors regarding 10% body weight (gain) change as criterion for the maximum tolerated dose: A critical analysis - Berry, Sir Colin L; Cohen, Samuel M.; Corton, J Christopher; de Camargo, Joao Lauro Viana [UNESP]; Eisenbrand, Gerhard; Fukushima, Shoji; Greim, Helmut; Weber, Klaus; Rietjens, Ivonne M C M; Strupp, Christian (Elsevier, 2023)