2 Jinnah Medical and Dental College, Karachi, Pakistan. Electronic address: daniashabbir@yahoo.com.
3 Department of Social and Community Health, School of Population Health, University of Auckland, Auckland, New Zealand. Electronic address: r.ramalho@auckland.ac.nz.
5 Psychiatry Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Viale Europa, 88100 Catanzaro, Italy. Electronic address: defilippisrenato@gmail.com.