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  • IOHA 2018 takes place in Washington, USA
  • IOHA 2015 took place in London.

IOHA Secretariat

5/6 Melbourne Business Court
Millennium Way
Pride Park
Derby
DE24 8LZ
UK

Tel: +44 (1) 332 298 101
Fax: +44(1) 332 298 099

Email: admin@ioha.net
**Please put in the header of your email “Query from IOHA website”