Regional centres (164) in 38 countries and territories:
• Ghana, United Republic of Tanzania.
• Brazil, Canada, United States of America.
• Bangladesh, Bhutan, Cambodia, China, Hong Kong/China, India, Indonesia, Japan, Democratic People's Republic of Korea, Republic of Korea, Lao People's Democratic Republic, Malaysia, Mongolia, Myanmar, Nepal, Philippines, Singapore, Sri Lanka, Taiwan/China, Thailand, Viet Nam.
• Australia, New Zealand.
• Austria, Belgium, Czech Republic, Finland, France, Germany, Netherlands, Russian Federation, Sweden, United Kingdom of Great Britain and Northern Ireland.