[1] Univ Wuppertal, Dept Phys, D-42119 Wuppertal, Germany
[2] Forschungszentrum Julich, Julich Supercomp Ctr, D-52428 Julich, Germany
[3] Eotvos Lorand Univ, Inst Theoret Phys, H-1117 Budapest, Hungary
[4] MTA ELTE Lendillet Lattice Gauge Theory Res Grp, H-1117 Budapest, Hungary
[5] Hungarian Acad Sci, Inst Nucl Res, H-4026 Debrecen, Hungary
[6] Univ Zaragoza, E-50009 Zaragoza, Spain
[7] Max Planck Inst Phys & Astrophys, D-80803 Munich, Germany
[8] Deutsches Elektronen Synchrotron DESY, D-22607 Hamburg, Germany
[9] Univ Regensburg, Dept Phys, Univ Str 31, D-93053 Regensburg, Germany
[10] Univ Houston, Dept Phys, Houston, TX 77204 USA