Association of ABCB1 genetic variants with renal function in Africans and in Caucasians.

"Competing interests The authors declare that they have no competing interests. Dawn Waterworth and Vincent Mooser are full-time employees of GlaxoSmithKline."

"AcknowledgementsWe are indebted to all study participants. Parts of the results have been published in abstract format at the ASN's 39th 2006 Annual Meeting, San Diego, California. The computations were performed in part at the Vital-IT. Center for high-performance computing of the Swiss Institute of Bioinformatics. We thank the Ministry of Health of the Republic of Seychelles for their support of this epidemiological research; Air Seychelles and SkyChef for their logistic support in transporting material, Norma Both and Gylian Mein for data collection. The Seychelles study benefited from a grant from the Swiss National Science Foundation (TANDEM No 31-51115.97). M. Bochud is supported by a grant from the Swiss National Science Foundation (PROSPER 3200BO-111362/1 and 111361/1) and by the University Institute of Social and Preventive Medicine in Lausanne. R.C. Elston is supported by a U.S. Public Health Service resource grant (1 P41 RR03655) from the National Center for Research Resources and research grant (GM28356) from the National Institute of General Medical Sciences. S. Bergmann is supported by the Giorgi-Cavaglieri Foundation and the Swiss National Science Foundation (Grant # 3100AO-116323/1). M. Burnier is supported by the Swiss National Science Foundation (Project No 3100A0-103629). The CoLaus Study was supported by research grants from GlaxoSmithKline and from the Faculty of Biology and Medicine of Lausanne, Switzerland. The authors would like to express their gratitude to Yolande Barreau, Anne-Lise Bastian, Binasa Ramic, Martine Moranville, Martine Baumer, Marcy Sagette, Jeanne Ecoffey and Sylvie Mermoud for data collection, and to Gérard Waeber, Fred Paccaud, Allen Roses, and Lefkos T. Middleton for their support."