1. Department of Dermatology; Dr. Sami Ulus Maternity and Children's Health and Diseases Training and Research Hospital; Ankara Turkey
2. Department of Pediatric Nephrology and Rheumatology; Dr. Sami Ulus Maternity and Children's Health and Diseases Training and Research Hospital; Ankara Turkey
3. Department of Ophthalmology; Dr. Sami Ulus Maternity and Children's Health and Diseases Training and Research Hospital; Ankara Turkey
4. Department of Child Health and Diseases; Faculty of Medicine, Yildirim Beyazit University; Ankara Turkey