Authors: Christoph M Rüegger; Christine Bartsch; Rosa Maria Martinez; Steffen Ross; Stephan A Bolliger; Brigitte Koller; Leonhard Held; Elisabeth Bruder; Peter Karl Bode; Rosmarie Caduff; Bernhard Frey; Leonhard Schäffer; Hans Ulrich Bucher Journal: BMC Pediatr Date: 2014-01-20 Impact factor: 2.125