We are very grateful for the support given by the Space Sciences and Electronics Technologies Department at INTA in 1996-2000, through the project IGE 4900506, to the special action DIF2001-4256-E given by Technology and Science Ministery (MCyT), and to National Research Council (CSIC) State Agency since 2001, as well as to the Spanish research projects AYA2001-1708, AYA2002-0802, AYA2004-01515, AYA2007-6377, AYA 2009-C14000-C03-01, AYA 2012-39727-C03-01 and AYA 2015-71718-R, all granted by the Spanish Ministries of Science and Education, Innovation and Technology, and Economy and Competitiveness. The development of the BOOTES Network was also possible thanks to the support of Junta de Andalucía through the Excellence Reseach Projects P06-FQM-2192, P07-TIC-3094 and P12-TIC-2839.
We also thanks M. Cerviño, J. Maíz, R. Morales and M. Santos-Lleó for very fruitful conversations, and A. Giménez, J.M. Quintana, V. Reglero, J. García-Jiménez, and specially P. Martín-Almendro (on behalf of Fundación Málaga) for their support.
We are indebted J. Martín-Francía, J.A. Adame, F. Soubrier, J. M. Vilaplana, A. Luna, I. Peña, A. M. Iríbar, L. Llani, M. Gil-Moulet, F. Ramos Mantis and 800 CEDEA front desk guards, in particular to Demetrio, Manuel, Enrique, Tomás, López, Isidro, Bartolo, J. Luis, Orta, Riquelme, Leopoldo and Roberto for their hospitality and help at El Arenosillo, and to M. L. Gómez-Guillamón, A. Cordón and J. González for their hospitality and help at the ISHM/UMA-CSIC in La Mayora.
We are also indebted to the GCN team (in particular to S. Barthelmy) for rapidly distributing the preliminary GRB positions obtained by BATSE up to May 2000.
The Czech contribution is supported by the Ministery of Education and Youth of the Czech Republic, Projects ES02, ES36 and GACR 13-33324S. The BOOTES Network is also a reality thanks to the support of the Universidad de Málaga (Spain), the University of Aukland and NIWA (in New Zealand), the Yunnan Astronomical Observatory (China), the Universidad National Autonóma de México (México) and the Sungkuynkwan University (SKKU) in Korea.