1. Narxoz University, Zhandosov Street 55, 1st Micro District, 81, 050035 Almaty, Kazakhstan
2. Suleyman Demirel University, Kaskelen, Karasay, 040900 Almaty, Kazakhstan
3. Universiti Putra Malaysia, Serdang, 43400 Selangor Darul Ehsan, Malaysia
4. Texas A&M University — Corpus Christi, Corpus Christi, TX 78412, USA