1. Department of Pediatrics, Lidkoping Hospital; SkaS Hospital Group; S-53185; Lidkoping; Sweden
2. Department of Pediatrics; Kungsbacka Hospital; S-43480; Kungsbacka; Sweden
3. Pediatric Growth Research Centre, Department of Pediatrics; The Sahlgrenska Academy at University of Gothenburg; S-41124; Gothenburg; Sweden
4. Department of Pediatrics, Uddevalla Hospital; NU Hospital Group; S-45180; Uddevalla; Sweden