A series of case-control consortia have been formed starting with NHL called InterLymph. Each star on the map represents a study site in the U.S., Canada, Western Europe, Egypt and Jordan, and Australia.

Consortia also for brain tumors, brain, bladder, esophageal adenocarcinoma.

North America –
SEER (Detroit, Iowa, LA, Seattle)
Berkley
USC
Mayo
Nebraska
Connecticut
UCSF
British Columbia
Caribbean

Europe –
EpiLymph (Czech Republic, Finland, France, Germany, Italy, Spain, Ireland)
UK
Italy
Denmark
Sweden

Other –
Australia (New South Wales)
Egypt/Jordan
Jamaica (Hisada’s study)