Author Correction: Electrostatic potentials of atomic nanostructures at metal surfaces quantified by scanning quantum dot microscopy

R Rustem Bolat J Jose M. Guevara P Philipp Leinen M Marvin Knol H Hadi H. Arefi M Michael Maiworm R Rolf Findeisen R Ruslan Temirov O Oliver T. Hofmann (Institute of Solid State Physics, NAWI Graz, Graz University of Technology , Petersgasse 16, 8010 Graz,) R Reinhard J. Maurer (Department of Chemistry, University of Warwick 2 , Coventry CV4 7AL,) F F. Stefan Tautz C Christian Wagner (Experimental Physics)