3 Department of Microbial, Cellular and Molecular Biology, College of Natural Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia. binmamo@yahoo.com.
Following publication of the original article [1] the authors reported that the information in Ref. [32] had been misquoted. The Rh factor in one region in Saudi Arabia is 8.8%, not 29% as stated.