1. Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallés, Barcelona, Spain
2. Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, Netherlands
3. COBO Computational Bio-Organic Chemistry Bogotá, Department of Chemistry, Universidad de los Andes, Carrera 1 N° 18A 10, Bogotá 111711, Colombia