作者单位：
St Josef Hospital Pediatric Clinic, Ruhr University Bochum, Gudrunstrasse 56, 44791 Bochum, Germany
[1]
Institute of Epidemiology and Medical Biometry, University of Ulm, Schwabstrasse 13, 89075 Ulm
[2]
Children's Hospital, University of Wuerzburg, Josef-Schneider-Strasse 2, 97080 Wuerzburg, Germany
[3]
发布时间
2014-04-22
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