1 Institute of Public Health, College of Medicine and Health Sciences, United Arab Emirates University, P.O.Box. 17666, Al Ain, UAE. Electronic address: akshaypharmd@gmail.com.
2 Center for Public Health and Technology, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR 72701, USA. Electronic address: masseyp@uark.edu.
3 Department of Public Health Sciences, New Mexico State University, Las Cruces, NM 88003, USA. Electronic address: jagdish@nmsu.edu.