1. Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University, Shenyang, China
2. Backfill Engineering Laboratory, Shandong Gold Mining Co., Ltd., Laizhou, China
3. First Quantum Minerals Ltd., Cayeli Bakir Isletmeleri A.S., Cayeli, Turkey
4. School of Civil Engineering, Liaoning Technical University, Fuxin, Liaoning Province, China