1. Japan Research Institute, 10-2, Ichibancho Chiyoda-Ku, Tokyo 102-0082, Japan.
2. Department of Architectural, Planning, and Policy Improvement, Bandung Institute of Technology, 64 Tamansari Street, Bandung 40116, Indonesia.
3. Oriental Consultants Company Limited, 12-1, Honmachi 3-Chome, Shibuya-Ku, Tokyo 151-0071, Japan.