| Assoc. Prof. Dr | Solomon Addisu | Legesse | Bahir Dar University | Ethiopia |
| Mr | BIRHANU | WERKU | lecturer and researcher at Wollega University | Ethiopia |
| Prof | Darío Fernando | Yépez Ponce | Instituto Superior Universitario Central Técnico | Ecuador |
| Prof | rasoul | yarahmadi | iran university of medical sciences | Iran |