1. MacDiarmid Institute for Advanced Materials and Nanotechnology, P.O. Box 600, Wellington 6140, New Zealand
2. Victoria University of Wellington, P.O. Box 600, Wellington 6140, New Zealand
3. Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, United States
4. Industrial Research, Ltd., P.O. Box 31-310, Lower Hutt, New Zealand