1. Bridge Engineer, Roughan & O’Donovan, Arena House, Arena Rd., Sandyford Industrial Estate, Dublin, Ireland.
2. Professor of Civil Engineering Informatics, Cardiff School of Engineering, Cardiff Univ., P.O. Box 925, Cardiff CF24 0YF, U.K.
3. Senior Lecturer, Cardiff School of Engineering, Cardiff Univ., P.O. Box 925, Cardiff CF24 0YF, U.K.