1. Department of Family and Community Medicine, College of Medicine, Majmaah University, Majmaah, Saudi Arabia
2. Department of Paediatrics, College of Medicine, Majmaah University, Majmaah, Saudi Arabia
3. Department of Paediatrics, Maternity and Children Hospital, Qassim, Saudi Arabia
4. Department of Paediatrics, College of Medicine, Qassim University, Buraydah, Saudi Arabia
5. College of Applied Medical Sciences, Department of Physiotherapy, Buraydah Colleges, Buraydah, Saudi Arabia