New specific skeletal muscle mass index cut-offs for the assessment of sarcopenia in patients with severe obesity oleh Annalisa Bufano, Alessandra Cartocci, Nicoletta Benenati, Cristina Ciuoli, Maria Simon Batzibal, Alessio Bombardieri, Gabriele Iraci Sareri, Ida Sannino, Andrea Tirone, Costantino Voglino, Giuseppe Vuolo, Maria Grazia Castagna