1. Assistant Professor, Dept. of Civil Engineering, Birjand Univ. of Technology, 98971 66981 Birjand, Iran.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Zabol, 538-98615 Zabol, Iran.
3. Professor, Center for System Reliability and Safety, School of Mechanical and Electrical Engineering, Univ. of Electronic Science and Technology of China, Chengdu 611731, China (corresponding author). ORCID: .
4. Associate Professor, School of Mechanical and Electrical Engineering, Univ. of Electronic Science and Technology of China, Chengdu 611731, China. ORCID: .
5. Researcher and Invited Professor, Instituto Nacional de Estadística y Geografía, Faculty of Engineering, Univ. of Porto, Porto 4200-465, Portugal.
6. Associate Professor, Faculty of Engineering, Univ. of Porto, Porto 4200-465, Portugal.