1. Aix-Marseille University, CNRS, CINaM, 13288 Marseille, France
2. Departamento de Física Teórica de la Materia Condensada and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, E-28049 Madrid, Spain
3. European Theoretical Spectroscopy Facility (ETSF)
4. Department of Physics & Astronomy, The University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0697, United States