UNIVERSITY OF NIGERIA, NSUKKA

Nigeria

UNIVERSITY OF NIGERIA TEACHING HOSPITAL

Nigeria

Nigerian Institute of Medical Research

VISION COUNCIL OF AMERICA

United States

CITY OF WORCESTER COUNCIL

United Kingdom

SWISS PHARMA NIGERIA LIMITED

Nigeria

COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH

India

INDIAN COUNCIL OF MEDICAL RESEARCH

India

OLAWUYI RACETT NIGERIA LTD.

United Kingdom

HEALTH RESEARCH COUNCIL OF NEW ZEALAND

New Zealand