1. Departamento de Matemática Aplicada, IME-USP, Rua de Matão 1010, Cidade Universitária, São Paulo SP, Brazil
2. Faculty of Mathematics, University of Vienna, Vienna, Austria
3. Faculty of Applied Mathematics, AGH University of Science and Technology, Kraków, Poland
4. National Supercomputing Centre IT4Innovations, Division of the University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, Ostrava, Czech Republic