1. Department of Chemical Engineering; University of Puerto Rico Mayaguez; Call Box 9000 Mayaguez PR 00681-9000 USA
2. Department of General Engineering; University of Puerto Rico Mayaguez; Call Box 9044 Mayaguez PR 00681-9010 USA
3. Department of Chemical; Biological and Bio Engineering; North Carolina Agricultural and Technical State University; 1601 E Market St Greensboro NC 27401 USA
4. Integra LifeSciences; PR-402 Km 1.8 Añasco PR 00610 USA