1. Newcastle University; Newcastle upon Tyne UK
2. University of Wuerzburg; Institute for Mathematics; Wuerzburg 97074 Germany
3. Institute of High Performance Computing and Networks (ICAR), Consiglio Nazionale delle Ricerche (CNR); Via Bucci 7/11 87036 Rende (CS) Italy
4. Istituto di Matematica Applicata e Tecnologie Informatiche (IMATI); Consiglio Nazionale delle Ricerche (CNR); Via Bassini, 15 20133 Milano Italy
5. Department of Statistics and Operational Research; Universitat Politècnica de Catalunya - Barcelona TECH; Barcelona Spain
6. Department of Chemical Engineering; University of Coimbra; Coimbra Portugal