Castillón JC, Gordoa TA, Bayonas AC, Carretero AC, García R, Pulido EG, Fonseca PJ, Lete AL, Huerta AS, Plazas JG. SEOM-GETNE clinical guidelines for the diagnosis and treatment of gastroenteropancreatic and bronchial neuroendocrine neoplasms (NENs) (2022)