Universidade federal rural do Rio de Janeiro, Brazil
Chief Science Officer, American Botanical Council, Texas, USA
Gazi University, Turkey             
Gaziantep University, Turkey             
Hacettepe University, Turkey
National Institute for Agricultural and Veterinary Research, REQUIMTE/LAQV, Portugal
Dr. Harisingh Gour Vishwavidyalaya [A Central University], Sagar (M.P), India