1. Department of Pharmaceutical Analysis; National Institute of Pharmaceutical Education & Research; IDPL R&D Campus, Balanagar Hyderabad 500 037 India
2. National Institute of Pharmaceutical Education and Research (NIPER); Sector 67, S.A.S. Nagar 160 062 Punjab India
3. National Center for Mass Spectrometry; CSIR-Indian Institute of Chemical Technology; Tarnaka Hyderabad 500 607 India