1. Avenida Collao 1202, Edificio De Laboratorios; Centro De Investigación De Polímeros Avanzados, CIPA; Concepción Chile
2. Polymer Department, Faculty of Chemistry; University of Concepción; Casilla 160-C Concepción Chile
3. Johan Gadolin Process Chemistry Centre, C/O Laboratory of Wood and Paper Chemistry; Åbo Akademi University; Porthansgatan 3 Åbo 20500 Finland