16 Department of Public Health and Nutrition, The University of Haripur, Haripur, 22610, Pakistan.
17 Research Center, Almoosa Specialist Hospital, Al-Ahsa, Saudi Arabia.
18 School of Nursing, University of Wollongong, Wollongong, Australia.
19 College of Nursing, Princess Norah Bint Abdulrahman University, Riyadh, 12214, Saudi Arabia.
20 WHO Collaborating Centre for Travellers' Health, Institute for Epidemiology, Biostatistics and Prevention, University of Zürich Centre for Travel Medicine, Zurich, Switzerland.