Erratum to: Ventricular assist device implantation improves skeletal muscle function, oxidative capacity, and growth hormone/insulin‐like growth factor‐1 axis signaling in patients with advanced heart failure. Issue 4 (11th September 2014) - Khawaja, Tuba; Chokshi, Aalap; Ji, Ruiping; Kato, Tomoko S.; Xu, Katherine; Zizola, Cynthia; Wu, Christina; Forman, Daniel E.; Ota, Takeyoshi; Kennel, Peter J.; Takayama, Hiroo; Naka, Yoshifumi; et al.