1. Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA;
2. Department of Botany, PMAS Arid Agriculture University, Rawalpindi, Punjab, Pakistan;
3. Nawaz Sharif Medical College, University of Gujrat, Gujrat, Punjab, Pakistan;
4. Institute of Integrative Biosciences, Department of Biotechnology, CECOS University, Peshawar, Pakistan