Belfast Health and Social Care Trust

United Kingdom

DEPARTMENT OF HEALTH AND SOCIAL CARE

United Kingdom

Northern Health And Social Care Trust

United Kingdom

INTERNATIONAL RESCUE COMMITTEE, U.K.

United Kingdom

South Eastern Health and Social Care Trust

United Kingdom

EUROPEAN SOCIETY FOR BLOOD AND MARROW TRANSPLANTATION

Spain

EUROPEAN GROUP FOR BLOOD AND MARROW TRANSPLANTATION

Spain

National Bureau of Economic Research, Inc.

United States

EUROPEAN COMMISSION

PHYSICIANS COMMITTEE FOR RESPONSIBLE MEDICINE

United States