Impact of sarcopenic obesity on surgical complications and oncologic outcomes of upper gastrointestinal tumors: a systematic review and meta-analysis Luz Divina Juez; Ana del Carmen Ortega; Pablo Priego; Juan Carlos García Pérez; José María Fernández-Cebrián; Jose I. Botella-Carretero;

Current obesity treatment: A story about beliefs, devotion and confrontation José María Balibrea; María Recarte-Rico; María Dolores Frutos;

Comparison of abdominal adipose tissue versus body mass index (BMI) as a predictor of complications and survival in liver transplantation Enrique Toledo; Gema Canal; Sara Sánchez; Juan Echeverri; Roberto Fernández; Mª del Mar Achalandabaso; Edward J. Anderson; Federico Castillo; Juan Carlos Rodríguez;