1. Polymer & Biopolymer Research Group; Cinvestav Querétaro, Libramiento Norponiente no. 2000 Querétaro QRO 76230 MEXICO
2. Sciences and Engineering Division; Universidad de Guanajuato; Campus León, Loma del Bosque no. 103, Col. Lomas del Campestre León GTO 37150 MEXICO
3. Biotecnología, Instituto Nacional de Rehabilitación (INR); México DF 14389 MEXICO
4. Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC); Cantoblanco 28049 Madrid SPAIN
5. Department of Physics; The Pennsylvania State University; 104 Davey Lab. University Park Pennsylvania 16802
6. Department of Materials Science and Engineering & Materials Research Institute; The Pennsylvania State University; 104 Davey Lab. University Park Pennsylvania 16802
7. Research Center for Exotic Nanocarbons (JST); Shinshu University; Wakasato 4-17-1 Nagano-city 380-8553 JAPAN
8. Department of Chemical Engineering; The University of Texas at Austin; Austin, TX 78712