1. Assistant Professor, Military College of Engineering (MCE), National University of Sciences and Technology (NUST), NUST Campus, Risalpur, Pakistan; formerly, Research Assistant, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907 (corresponding author).
2. Assistant Director, National Institute of Transportation (NIT), School of Civil and Environmental Engineering (SCEE), National University of Sciences and Technology (NUST), NUST Campus, Sector H-12, Islamabad–44000, Pakistan; formerly, Research Assistant, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907.
3. Assistant Professor, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907.