1. Department of Physics & Astronomy, University of Victoria, Victoria, BC V8P5C2, Canada
2. Keele University, Keele, Staffordshire ST5 5BG, UK
3. JINA-CEE, Michigan State University, East Lansing, MI, 48823, USA
4. Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany
5. Computational Physics and Methods (CCS-2), LANL, Los Alamos, NM 87545, USA
6. E. A. Milne Centre for Astrophysics, Department of Physics & Mathematics, University of Hull, HU6 7RX, UK
7. Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa 277-8583, Japan