Editor

Mr Tesfaye Digaffe, Tesfaye Digaffe (MPH in Epidemiology) Research and Publication Coordinator, HU-CHMS P.O.BOX 235, Harar, Ethiopia Tel: Office: +251-254660031 Mobile: +251-912111224 Fax: +251-256668081 Email: tesfayed@haramayajournals.org tdigaffe@gmail.com, Ethiopia