1. Environmental Geochemistry Laboratory, Faculty of Biological Sciences, Department of Environmental Sciences, Quaid-i-Azam University, Islamabad, Pakistan
2. Department of Environmental Sciences, Fatima Jinnah Women University, The Mall, Rawalpindi, Pakistan
3. State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, People's Republic of China
4. Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
5. MARUM and Department of Geosciences, University of Bremen, Bremen, Germany
6. Southern Cross GeoScience, Southern Cross University, Lismore, Australia