1) Professor Abd Al Azim Ahmed Ali. Dept. of Pharmaceutics,Fac. Of Pharmacy, University of Ajman,U.A.E.E.mail:profazim5@yahoo.com

2) Dr Sumia sir elkhatim Mohammed Ibrahim :Pharmaceutics,Fac. Of Pharmacy, University of Ajman,U.A.E.E.mail:msumia@yahoo.com

2) Dr. Ismail Abd Elhadi, Dept. of Pharmaceutics,Fac. Of Pharmacy,U.of kh.,Sudan . Mobile:00249915379607

Address: Tel: 00249906330928(Khartoum,Sudan, ),

Adil Abd El Rahman Mahmoud , Department of pharmacy Practice,Faculty of pharmacy, University of Khartoum,P.O Box 1996

National University,Faculty of Pharmacy,Khartoum Sudan.

E.mail: adilmahmoud871@gmail.com