Collaborating institutions:

• Max-Planck-Institute for the Physics of Complex Systems (MPIPKS), Dresden, Germany (J-M. Rost)
• Vienna University of Technology (TU Wien), Austria (J. Burgdörfer, Institute for Theoretical Physics (ITP)
• JINR, Dubna, Russia (R.G. Nazmitdinov; E.A. Solov'ev, Bogoliubov Laboratory of Theoretical Physics
• Universidad de les Illes Balears (UIB) Palma de Mallorca, Spain (R.G. Nazmitdinov, Departamento de Fisica)
• Universidad de la Rioja, Edificio Politecnico, Logrono, Spain (J.P. Salas, Area de Fisica Aplicada)
• Universidad de Antioquia (UdeA), Medellin, Colombia (J. Mahecha-Gomez, Departamento de Fisica)

Guest scientist / Visiting professor positions (> 1 month):

• MPIPKS, Dresden, Germany: 1999-2002 (3 years), 2004 (Oct.-Dec.), 2012 (April-May), 2018 (Oct.-Nov.)
• TU Wien, Vienna, Austria: 2007 (1 year)
• UIB, Palma de Mallorca, Spain: 2011 (July), 2013 (July), 2015 (July), 2017 (July), 2018 (April-May)
• UdeA, Medellin, Colombia: 2003 (Sept.-Nov.)