David Olowokere, University of Alabama at Birmingham; Olutola Jonah; Oladipo O. Osasona, Obafemi Awolowo University, Ile-Ife, Nigeria; E.O.B. ajayi, Obafemi Awolowo University, Nigeria; Kayode P. Ayodele, Obafemi Awolowo University
James Widmann, California Polytechnic State University; Charles Birdsong, California Polytechnic State University; John Ridgely, California Polytechnic State University; Frank Owen, California Polytechnic State University