Department of Solid State Physics, University of Siegen

Institute of Experimental Physics II, University of Leipzig

Department of Civil Engineering & Engineering Mechanics, University of Arizona

Department of Civil Engineering, Indian Institute of Technology Guwahati

Department of Solid State Physics, University of Siegen

Department of Civil Engineering & Engineering Mechanics, University of Arizona

Instituto Madrileno de Estudios Avanzados, Ciudad Universitaria de Cantoblanco

Institute of Experimental Physics II, University of Leipzig