About the Authors

Christoph Härtel

haertel@paedia.ukl.mu-luebeck.de

Affiliation Department of Pediatrics at the University of Lübeck, Lübeck, Germany

Kirstin Faust

Affiliation Department of Pediatrics at the University of Lübeck, Lübeck, Germany

Stefan Avenarius

Affiliation Department of Pediatrics at the University of Magdeburg, Magdeburg, Germany

Bettina Bohnhorst

Affiliation Department of Pediatrics at the Medical School Hanover, Hanover, Germany

Michael Emeis

Affiliation Department of Neonatology, Vivantes-Klinikum Neukölln, Berlin, Germany

Corinna Gebauer

Affiliation Department of Pediatrics at the University of Leipzig, Leipzig, Germany

Peter Groneck

Affiliation Department of Neonatology, Klinikum Leverkusen, Leverkusen, Germany

Friedhelm Heitmann

Affiliation Department of Neonatology, Klinikum Dortmund, Dortmund, Germany

Thomas Hoehn

Affiliation Department of Pediatrics at the University of Düsseldorf, Düsseldorf, Germany

Mechthild Hubert

Affiliation Department of Neonatology, Klinikum Siegen, Siegen, Germany

Angela Kribs

Affiliation Department of Pediatrics at the University of Cologne, Cologne, Germany

Helmut Küster

Affiliation Department of Pediatrics at the University of Göttingen, Göttingen, Germany

Reinhard Laux

Affiliation Department of Neonatology, Asclepios Klinik Barmbek, Hamburg, Germany

Michael Mögel

Affiliation Department of Pediatrics at the University of Dresden, Dresden, Germany

Dirk Müller

Affiliation Department of Neonatology, Klinikum Kassel, Kassel, Germany

Dirk Olbertz

Affiliation Department of Neonatology, Südtstadt Klinik Rostock, Rostock, Germany

Claudia Roll

Affiliation Department of Neonatology, Vestische Klinik, Datteln, Germany

Jens Siegel

Affiliation Department of Neonatology, Krankenhaus Aud der Bult, Hanover, Germany

Anja Stein

Affiliation Department of Pediatrics at the University of Essen, Essen, Germany

Matthias Vochem

Affiliation Department of Neonatology, Olga-Hospital, Stuttgart, Germany

Ursula Weller

Affiliation Department of Neonatology, Klinikum Bielefeld, Bielefeld, Germany

Axel von der Wense

Affiliation Department of Neonatology, Altonaer Kinderkrankenhaus, Hamburg, Germany

Christian Wieg

Affiliation Department of Neonatology, Klinikum Aschaffenburg, Aschaffenburg, Germany

Jürgen Wintgens

Affiliation Department of Neonatology, Städtisches Klinikum Rheydt, Mönchengladbach, Germany

Claudia Hemmelmann

Affiliation Institute of Biometry and Medical Statistics at the University of Lübeck, Lübeck, Germany

Arne Simon

Affiliation Department of Pediatric Hematology and Oncology at Saarland University Hospital, Homburg, Germany

Egbert Herting

Affiliation Department of Pediatrics at the University of Lübeck, Lübeck, Germany

Wolfgang Göpel

Affiliation Department of Pediatrics at the University of Lübeck, Lübeck, Germany

for the German Neonatal Network (GNN)

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: C. Härtel KF EH WG. Performed the experiments: C. Härtel KF WG. Analyzed the data: C. Härtel C. Hemmelmann WG. Contributed reagents/materials/analysis tools: C. Härtel KF SA BB ME CG PG FH TH MH AK HK RL DM MM DO CR JS AS MV UW AvW CW JW C. Hemmelmann AS EH WG. Wrote the paper: C. Härtel WG.