Shifa Tameer-e-Millat University, Shifa Tameer-e-Millat University, World Health Organization (WHO), Rawalpindi Medical University - Institute of Psychiatry, Shifa Tameer-e-Millat University, Shifa Tameer-e-Millat University, Shifa Tameer-e-Millat University, World Health Organization (WHO), University of Amsterdam, University of New South Wales (UNSW) - School of Psychology, Vrije Universiteit Amsterdam - Department of Clinical, Neuro and Developmental Psychology, Shifa Tameer-e-Millat University, Liverpool School of Tropical Medicine - Department of Clinical Sciences and University of Liverpool