Johnson & Johnson is a holding company. The Company is engaged in the research and development, manufacture and sale of a broad range of products in the health care field. The business of Johnson & Johnson is conducted by more than 275 operating companies located in 60 countries, including the United States, which sell products in virtually all countries throughout the world. In March 2013, Johnson & Johnson's Cordis Corporation announced the acquisition of Flexible Stenting Solutions, Inc. In June 2013, Johnson & Johnson announced the opening of the Johnson & Johnson Innovation center in Boston. In August 2013, Johnson & Johnson announced it has completed its acquisition of Aragon Pharmaceuticals, Inc., a pharmaceutical discovery and development company focused on drugs to treat hormonally driven cancers.