John Wiley & Sons Inc. - US
John Wiley & Sons Ltd, Chichester - UK
Wiley-VCH Verlagsgesellschaft - DE
John Wiley & Sons Asia, Pte, Inc.- SG
www.wiley.com

William Andrew Inc. - US
www.williamandrew.com 

Wolters Kluwer Health - US
Lippincott Williams & Wilkins - US, UK
Ovid Technologies - US
www.wkhealth.com

Woodhead Publishing, Ltd - UK
www.woodheadpublishing.com 

World Bank Office of the Publisher
www.worldbank.org 

World Health Organization, CH
www.who.int 
World Health Organization Pub. Reg. Office
www.euro.who.int 

World Scientific Publishing Co Pte Ltd - SG
World Scientific Publishing - (UK) Ltd - UK
World Scientific Publishing Co Inc. - USA
www.worldscientific.com