1. Laboratory of Intelligent Systems Institute of Mechanical Engineering School of Engineering École Polytechnique Fédérale de Lausanne 1015 Lausanne Switzerland
2. Department of Chemical and Biomolecular Engineering North Carolina State University 911 Partners Way Raleigh NC 27695 USA
3. Shintake Research Group School of Informatics and Engineering The University of Electro-Communications 1-5-1 Chofugaoka Chofu Tokyo 182-8585 Japan