Doping Dependence of the Chemical Potential in Cuprate High-$T_{\rm c}$   Superconductors I: La$_{2-x}$Sr$_x$CuO$_4$
  The names of the authors, which were inadvertedly lacking in the tex-file submitted two days ago, have been added. 
G. Rietveld, M. Glastra, D. van der Marel