1. National Centre for Physics, NPU-NCP Joint International Research Center on Advanced Nanomaterials and Defects Engineering, Islamabad, Pakistan
2. NPU-NCP Joint International Research Center on Advanced Nanomaterials and Defects Engineering, Northwestern Polytechnical University Xi’an China, Xi’an, China
3. UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, Somerset West, South Africa