[1] Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France
[2] INAF Osservatorio Astron Bologna, I-40127 Bologna, Italy
[3] INAF IASF, I-20133 Milan, Italy
[4] INAF Osservatorio Astron Roma, I-00040 Monte Porzio Catone, Italy
[5] Univ Bologna, Dept Phys & Astron DIFA, I-40127 Bologna, Italy
[6] INAF IASF Bologna, I-40129 Bologna, Italy
[7] Univ Paris 06, CNRS, UMR7095, Inst Astrophys Phys, Paris, France
[8] Univ Toulouse, UPS OMP, CNRS, IRAP, F-31400 Toulouse, France
[9] Univ Geneva, Dept Astron, CH-1290 Versoix, Switzerland
[10] Univ Geneva, Observ Geneva, CH-1290 Versoix, Switzerland
[11] Ctr Estudios Fis Cosmos Aragon, Teruel 44001, Spain
[12] CALTECH, Dept Astron, Pasadena, CA 91125 USA
[13] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA
[14] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany
[15] Ehime Univ, Res Ctr Space & Cosm Evolut, Matsuyama, Ehime 7908577, Japan
[16] Univ Edinburgh, Royal Observ, Inst Astron, SUPA, Edinburgh EH9 3HJ, Midlothian, Scotland
[17] Space Telescope Sci Inst, Baltimore, MD 21218 USA
[18] Univ Valparaiso, Fac Ciencias, Inst Fis & Astron, Valparaiso, Chile
[19] Jagiellonian Univ, Astron Observ, PL-30001 Krakow, Poland
[20] Natl Ctr Nucl Res, PL-00681 Warsaw, Poland