1. Department of Civil Engineering Universidad de Chile Santiago Chile
2. Advanced Mining Technology Center (AMTC) Universidad de Chile Santiago Chile
3. Federal Institute for Forest Snow and Landscape Research (WSL) Birmensdorf Switzerland
4. Institute of Arctic and Alpine Research University of Colorado Boulder Boulder CO USA
5. Pyrenean Institute of Ecology CSIC Zaragoza Spain
6. Centre for Advanced Studies in Arid Zones (CEAZA) La Serena Chile