aSchool of Public Health, University of the Western Cape, South Africa
bDivision of Cardiology, Department of Medicine, University of Cape Town, South Africa
cFaculty of Health Sciences, University of Stellenbosch, South Africa
dHatter Heart Research Institute, Department of Medicine, University of Cape Town, South Africa
*H.A.B. and C.S.W. contributed equally to the review and share joint first authorship. All the authors contributed substantially to the study and approved the final version. H.A.B. and C.S.W. had full access to the data.
Received 16 October, 2005
Accepted 16 June, 2006
Correspondence and requests for reprints to Professor Lionel H. Opie, Director, Hatter Heart Research Institute, Cape Heart Centre and Department of Medicine, Faculty of Health Sciences, University of Cape Town, Observatory 7925, South Africa Tel: +27 21 406 6358; fax: +27 21 447 8789; e-mail: [email protected]
Sponsorship: This work was undertaken with funding from the South African Medical Research Council, University of Cape Town, and The Hatter Heart Research Institute. The funding bodies were not involved in any aspect of the design or conduct of the review or interpretation of findings. The views expressed are those of the authors and not necessarily those of the funding bodies.
Part of this systematic review has been prepared under the aegis of The Cochrane Collaboration. However, this work has not yet been approved for publication as a Cochrane review.
