1. Structure Integrity Monitoring Research Group (SIMReG), Faculty of Mechanical and Manufacturing Engineering; Universiti Tun Hussein Onn Malaysia; 86400 PARIT RAJA, BATU PAHAT, JOHOR MALAYSIA
2. Universitas Muhammadiyah Surakarta, Jl. Ahmad Yani, Pabelan, Kartasura; 57162 SURAKARTA, JAWA TENGAH REPUBLIC OF INDONESIA
3. Indian Institute of Technology Indore; Khandwa Road, Simrol 453552 INDORE REPUBLIC OF INDIA
4. Universiti Malaya; 50603 KUALA LUMPUR MALAYSIA