1. National Institute of Health Research (NIHR), Tehran University of Medical Sciences (TUMS), Tehran, Iran
2. Department of Biomedical Sciences for Health (SCIBIS) and Director of the Center of Research and Advanced Education in Health Administration (CRC Head), Università degli Studi di Milano, Milan, Italy
3. Department of Universal Health Coverage/Health Systems (UHS), World Health Organisation Regional Office for the Eastern Mediterranean, Cairo, Egypt
4. Department of Universal Health Coverage/Health Systems (UHS), World Health Organization Regional Office for the Eastern Mediterranean, Cairo, Egypt