Pressure shift of the superconducting Tc of LiFeAs M. Gooch, B. Lv, J. H. Tapp, Z. Tang, B. Lorenz, A. M. Guloy and P. C. W. Chu EPL, 85 2 (2009) 27005 Published online: 28 January 2009 DOI: 10.1209/0295-5075/85/27005