1. BioPrEn Group, Instituto Químico para la Energía y el Medioambiente (IQUEMA), Chemical Engineering Department, Universidad de Córdoba, 14014 Córdoba, Spain
2. Department of Biotechnology, Inland Norway University of Applied Sciences, N-2317 Hamar, Norway
3. Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden