AM J TRANSPLANT AM J TRANSPLANT Cumulative exposure to tacrolimus and incidence of cancer after liver transplantation Rodriguez-Peralvarez Manuel Colmenero Jordi Gonzalez Antonio Gastaca Mikel Curell Anna Caballero-Marcos Aranzazu Sanchez-Martinez Ana Di Maira Tommaso Ignacio Herrero Jose Almohalla Carolina Lorente Pérez Sara Universidad de Zaragoza Cuadrado-Lavin Antonio Pascual Sonia Angeles Lopez-Garrido Maria Gonzalez-Grande Rocio Gomez-Orellana Antonio Alejandre Rafael Zamora-Olaya Javier Bernal-Bellido Carmen 2022 research-article