1. Dept. of Chemical and Biological Engineering; Princeton University; Princeton; NJ; 08544
2. Dept. of Chemical and Biological Engineering; Tufts University, Science and Technology Center; Medford; MA; 02155
3. Dept. of Mathematics; Center for Research in Scientific Computation, North Carolina State University; Raleigh; NC; 27695
4. School of Applied Mathematics and Physical Sciences; National Technical University of Athens; GR; 15780; Greece
5. Dept. of Chemical and Biological Engineering; Program in Applied and Computational Mathematics, and Dept. of Mathematics; Princeton University; Princeton; NJ 08544