1. Suvi Viranta:
Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, 520 W St. NW 20059 Washington D. C. USA
2. S. Taseer Hussain:
Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, 520 W St. NW 20059 Washington D. C. USA
3. Raymond L. Bernor:
Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, 520 W St. NW 20059 Washington D. C. USA