1. Department of AnthropologyUniversity of Florida, 1112 Turlington Hall, PO Box 117305Gainesville Florida 32611‐7305
2. Genetics InstituteUniversity of Florida, Cancer & Genetics Research Complex, PO Box 103610Gainesville Florida 32610‐3610
3. Department of Clinical Biochemistry, Faculty of Medicine and Health SciencesUniversity of Sana'aSana'a Yemen