1. Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia (USM), 11800 Gelugor, Penang, Malaysia
2. School of Chemical Sciences, Universiti Sains Malaysia (USM), 11800 Gelugor, Penang, Malaysia
3. School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia (USM), 14300 Nibong Tebal, Penang, Malaysia
4. Department of Energy System Engineering, Technology Faculty, Karabük University, 78050 Karabük, Turkey
5. Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany