kevin.france@colorado.edu

¹ Center for Astrophysics and Space Astronomy, University of Colorado, 389 UCB, Boulder, CO 80309, USA
² JILA, University of Colorado and NIST, 440 UCB, Boulder, CO 80309, USA
³ Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS-78, Cambridge, MA 02138, USA
⁴ Naval Research Laboratory, Code 7674L, Washington, DC 20375, USA
⁵ Service d'Astrophysique DSM/IRFU/SAp CEA - Saclay, Orme des Merisiers, F-91191 Gif-sur-Yvette, France
⁶ Department of Astronomy, University of Virginia, P.O. Box 400325, Charlottesville, VA 22904-4325, USA
⁷ 225 Nieuwland Science, University of Notre Dame, Notre Dame, IN 46556-5670, USA
⁸ Department of Astronomy, The Oskar Klein Centre, Stockholm University, S-106 91 Stockholm, Sweden
⁹ ETH Zürich, Institute for Astronomy, Wolfgang-Pauli-Strasse 27, CH-8093 Zürich, Switzerland
¹⁰ Department of Physics and Astronomy, Hofstra University, Hempstead, NY 11549, USA
¹¹ Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
¹² INAF/CT, Osservatorio Astrofisico di Catania, Via S. Sofia 78, I-95123 Catania, Italy
¹³ Supernova Ltd, OYV 131, Northsound Road, Virgin Gorda, British Virgin Islands
¹⁴ Department of Physics, University of Hong Kong, Pok Fu Lam Road, Hong Kong, China
¹⁵ Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA
¹⁶ NASA Goddard Space Flight Center, Code 665, Greenbelt, MD 20771, USA
¹⁷ Department of Physics and Astronomy, Goucher College, 1021 Dulaney Valley Road, Baltimore, MD 21204, USA
¹⁸ Department of Astronomy, University of Texas, Austin, TX 78712-0259, USA