1. Academy for Advanced Interdisciplinary Studies; Peking University; Beijing China
2. College of Engineering; Peking University; Beijing China
3. Department of Applied Science and Technology and Center for Microplasma Science and Technology; Saint Peter's College; Jersey City New Jersey USA
4. Dept. of Applied Physics and Dept. of Mechanical and Aerospace Engineering; New York University Polytechnic School of Engineering; Brooklyn New York USA