?:authorAffiliation
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[\'Institute of Social and Cultural Studies, University of the Punjab, Lahore, Pakistan.\', \'University of Okara, Punjab, Pakistan.\', \'Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan.\', \'School of Public Health, Bielefeld University, Bielefeld, Germany.\', \'Institute of Public Health, Charité-Universitätsmedizin Berlin, Berlin, Germany.\', \'Institute of Gerontological Health Services and Nursing Research, Ravensburg-Weingarten University of Applied Sciences, Weingarten, Germany.\']
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