Cell therapy medical tourism: time for action.

1 Department of Research and Development, Hospira Inc., Lake Forest, Illinois, USA, 2 Department of Medical Ethics, University of Pennsylvania, Philadelphia, Pennsylvania, USA, 3 Advanced Centre for Biochemical Engineering, University College London, London, UK, 4 The Stop ALD Foundation, Houston, Texas, USA, 5 Interdisciplinary Oncology Program, H. Lee Moffi tt Cancer Center & Research Institute, Tampa, Florida, USA, 6 Department of Regulatory Affairs, Perkin Elmer Inc., Cambridge, Massachusetts, USA, 7 Bone Marrow Transplantation Unit, National Cancer Institute, Rio de Janeiro, Brazil, 8 Section of Hematology and Bone Marrow Transplantation Unit, University Hospital, Cremona, Italy, 9 Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA, 10 Department of Cell and Molecular Therapies, Royal Prince Alfred Hospital RPA Hospital and Centenary Institute, Newtown, NSW, Australia, 11 Research Foundation for Community Medicine, Tokyo, Japan, and 12 Children ’ s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA