1. Instituto de Química, Facultad de Ciencias Exactas y Naturales Universidad de Antioquia UdeA Medellín Colombia
2. Van Swinderen Institute for Particle Physics and Gravity, Faculty of Science and Engineering University of Groningen Groningen The Netherlands
3. School of Natural and Computational Sciences, College of Sciences, Centre for Theoretical Chemistry and Physics The New Zealand Institute for Advanced Study, Massey University Auckland Auckland New Zealand
4. Departamento de Física, Facultad de Ciencias Exactas y Naturales Universidad Nacional del Nordeste Corrientes Argentina