1. Instituto de Física Fundamental, Consejo Superior de Investigaciones Científicas, Serrano 113-bis, 28006 Madrid, Spain
2. Laboratório de Colisões Atómicas e Moleculares, CEFITEC, Departamento de Física, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
3. Departamento de Estructura de la Materia, Física Térmica y Electrónica e IPARCOS, Universidad Complutense de Madrid, Avenida Complutense, E-28040 Madrid, Spain
4. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Department of Physics and Astronomy, University of Nebraska−Lincoln, Lincoln, Nebraska 68588, United States
6. The Research School of Physics, Australian National University, Canberra, ACT 0200, Australia
7. College of Science and Engineering, James Cook University, Townsville 4810, Australia
8. College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, SA 5001, Australia
9. Department of Actuarial Science and Applied Statistics, Faculty of Business and Management, UCSI University, Kuala Lumpur 56000, Malaysia