1. Waseda University, Department of Materials Science and Engineering, Tokyo, Japan
2. Waseda University, Laboratory for Materials Science and Technology, Tokyo, Japan
3. Osaka Electro-Communication University, Osaka, Japan
4. Waseda University, School of Human Sciences, Tokorozawa, Japan
5. Waseda University, Department of Archaeology, Tokyo, Japan
6. Tokyo Metropolitan Industrial Technology Research Institute, Radiation Laboratory, 2-11-1 Fukazawa, Setagaya-ku, Tokyo, Japan
7. Maintenance and Research Center for the Supreme Council of Antiquities in Egypt, Cairo, Egypt
8. Central Metallurgical Research and Development Institute, Cairo, Egypt