1. Institut Polytechnique de Bordeaux, INRIA Bordeaux Sud Ouest, Team: ASTRAL, IMB, Institut de Mathématiques de Bordeaux, Université de Bordeau, France
2. Department of Applied Mathematics and Statistics, State University of New York, Incheon, Republic of Korea
3. Department of Electrical and Computer Engineering, Wayne State University, Detroit, MI, USA
4. Department of Mathematics, University of Connecticut, Storrs, CT, USA