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