Removing the effects of the site in brain imaging machine-learning - Measurement and extendable benchmark. - Aleix Solanes; Corentin J. Gosling; Lydia Fortea; María Ortuño; Elisabet Lopez-Soley; Sara Llufriu; Santiago Madero; Eloy Martinez-Heras; Edith Pomarol-Clotet; Elisabeth Solana; Eduard Vieta; Joaquim Radua (NeuroImage, 2023)