Accepted for Publication: August 1, 2011.
Published Online: February 6, 2012. doi:10.1001/archpediatrics.2011.891
Author Contributions: Drs Kugelman and Bader contributed equally as first authors. Study concept and design: Kugelman, Bader, Lerner-Geva, and Reichman. Acquisition of data: Bader and Levitzki. Analysis and interpretation of data: Kugelman, Bader, Lerner-Geva, Boyko, Riskin, and Reichman. Drafting of the manuscript: Kugelman and Reichman. Critical revision of the manuscript for important intellectual content: Kugelman, Bader, Lerner-Geva, Boyko, Levitzki, Riskin, and Reichman. Statistical analysis: Kugelman, Boyko, and Riskin. Obtained funding: Lerner-Geva. Administrative, technical, and material support: Kugelman, Bader, Lerner-Geva, Levitzki, and Reichman. Study supervision: Bader.
Financial Disclosure: None reported.
Funding/Support: The Israel National Very Low Birth Weight Infant Database is supported in part by the Israel Center for Disease Control and the Ministry of Health.
Additional Information: This study was performed in collaboration with the Israel Neonatal Network. The following centers participated in the Israel National Very Low Birth Weight Infant Database: the Women and Children's Health Research Unit, Gertner Institute for Epidemiology and Health Policy Research, Tel Hashomer (coordinating center); Assaf Harofeh Medical Center, Rishon LeZion; Barzilai Medical Center, Ashkelon; Bikur Holim Hospital, Jerusalem; Bnai Zion Medical Centre, Haifa; Carmel Medical Center, Haifa; English (Scottish) Hospital, Nazareth; French Hospital, Nazareth; Hadassah University Hospital Ein Kerem, Jerusalem; Hadassah University Hospital Har Hatzofim, Jerusalem; Haemek Medical Center, Afula; Hillel Yaffe Medical Center, Hadera; Italian Hospital, Nazareth; Kaplan Hospital, Rehovot; Laniado Hospital, Netanya; Mayanei Hayeshua Hospital, Bnei Brak; Meir Medical Center, Kfar Saba; Misgav Ladach Hospital, Jerusalem; Nahariya Hospital, Nahariya; Poriya Hospital, Tiberias; Rambam Medical Center, Haifa; Rivka Ziv Hospital, Zefat; Schneider Children's Medical Center of Israel and Rabin Medical Center (Beilinson Campus), Petach Tikva; Shaare Zedek Medical Center, Jerusalem; Sheba Medical Center, Tel Hashomer; Soroka Medical Center, Beersheba; Sourasky Medical Center, Tel Aviv; Wolfson Medical Center, Holon; Yoseftal Hospital, Eilat.