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 %\title{GEANT Simulation Program for the
 %$\mathbf{\mu}$SR Instruments}
 
-\author{Kamil Sedl\'ak$^1$, Toni Shiroka$^1$, Zaher Salman$^1$, Jose Rodriguez$^1$, Tom Lancaster$^2$, Thomas Prokscha$^1$, Taofiq Paraiso$^1$}
+\author{Kamil Sedl\'ak$^1$, Toni Shiroka$^1$, Zaher Salman$^1$, Jose Rodriguez$^1$, Tom Lancaster$^2$, Thomas Prokscha$^1$, Taofiq Para\"{\i}so$^1$, Robert Scheuermann$^1$}
 
 \address{{$^1$ Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland}\\
 $^2$ Clarendon Laboratory, Department of Physics, Oxford University, Parks Road, Oxford OX1 3PU, UK}