^a Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

^b 1261, Genolier-VO, Switzerland

^c Department of Materials, Science and Engineering, The Ohio State University, Columbus, OH 43210, USA

^d U.S. Department of Energy, Division of High Energy Physics, Washington, DC 20585, USA

^e CEA-Saclay, STCM, Gif-sur-Yvette, France

^f Europa Metalli-LMI, De Barga, Italy

^g Intermagnetics General, Advanced Superconductors (IGC), Waterbury, CT 06704, USA

^h , Piedmont, CA 94611, USA

ⁱ Fermi National Accelerator Laboratory, Batavia, IL 60510, USA

^j Applied Superconductivity, University of Wisconsin, Madison, WI 53706, USA

^k CERN, CH-1211, Geneva, Switzerland

^l Department of Physics, Texas A & M University, College Station, TX 77843, USA

^m National High Magnet Field Laboratory, Tallahasee, FL 32306, USA

ⁿ KEK, National Laboratory for High Energy Physics, Tsukuba, Japan

^o Applied Physics-Low Temperature Division, Twente University, Enschede, The Netherlands

^p Deutsches Elektron-Synchrotron (DESY), Hamburg, Germany