1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
3. Australian National Univ., Canberra, ACT (Australia)
4. Commonwealth Scientific and Industrial Research Organization (CSIRO), Newcastle, NSW (Australia)
5. Queensland Univ. of Technology, Brisbane (Australia)