Center for Molecular Spectroscopy and Dynamics;
Institute for Basic Science;
Seoul 02841;
Korea;
Department of Physics;
Korea University;
Seoul 02841;
Korea;
Department of Applied Mathematics;
University of Twente;
Drienerlolaan 5;
7522 NB Enschede;
Netherlands;
Achmea Holding BV;
Handelsweg 2;
3707 NH Zeist;
Netherlands;