Physical Activity, Lifestyle, Ageing and Wellbeing Faculty Research Group, School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Lidcombe, NSW, Australia. Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High-Risk Behaviors, Tehran University of Medical Sciences, Tehran, Iran. Health and Kinesiology, Texas A&M University College Station, College Station, TX, USA. Department of Kinesiology and Nutrition Sciences, University of Nevada, Las Vegas, NV, USA. Department of Medical Microbiology, Faculty of Medicine, Aja University of Medical Sciences, Tehran, Iran. Department of Medical Immunology, Faculty of Medicine, Aja University of Medical Sciences, Tehran, Iran. Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Mato Grosso, Cuiab'a, Brazil.